Home / 14,484.39-19,989.55-8,110.65

Finding the Fourth Proportional to 14,484.39, 19,989.55 and 8,110.65

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Solution

The fourth proportional to 14,484.39, 19,989.55 and 8,110.65 is: 11,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.39 : 19,989.55 = 8,110.65 : x
  2. Step 2: Convert to fraction form
    14,484.39/19,989.55 = 8,110.65/x
  3. Step 3: Cross multiply
    14,484.39x = 19,989.55 × 8,110.65
  4. Step 4: Simplify right side
    14,484.39x = 162,128,344.01
  5. Step 5: Solve for x
    x = 162,128,344.01/14,484.39
  6. Step 6: Final answer
    x = 11,193.31

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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.