Home / 10,430.08-14,393.72-6,451.12

Finding the Fourth Proportional to 10,430.08, 14,393.72 and 6,451.12

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Solution

The fourth proportional to 10,430.08, 14,393.72 and 6,451.12 is: 8,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.08 : 14,393.72 = 6,451.12 : x
  2. Step 2: Convert to fraction form
    10,430.08/14,393.72 = 6,451.12/x
  3. Step 3: Cross multiply
    10,430.08x = 14,393.72 × 6,451.12
  4. Step 4: Simplify right side
    10,430.08x = 92,855,614.97
  5. Step 5: Solve for x
    x = 92,855,614.97/10,430.08
  6. Step 6: Final answer
    x = 8,902.68

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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.