Home / 14,412.09-19,893.65-8,445.69

Finding the Fourth Proportional to 14,412.09, 19,893.65 and 8,445.69

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Solution

The fourth proportional to 14,412.09, 19,893.65 and 8,445.69 is: 11,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.09 : 19,893.65 = 8,445.69 : x
  2. Step 2: Convert to fraction form
    14,412.09/19,893.65 = 8,445.69/x
  3. Step 3: Cross multiply
    14,412.09x = 19,893.65 × 8,445.69
  4. Step 4: Simplify right side
    14,412.09x = 168,015,558.64
  5. Step 5: Solve for x
    x = 168,015,558.64/14,412.09
  6. Step 6: Final answer
    x = 11,657.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.