Home / 10,489.96-14,480.68-7,500.60

Finding the Fourth Proportional to 10,489.96, 14,480.68 and 7,500.60

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Solution

The fourth proportional to 10,489.96, 14,480.68 and 7,500.60 is: 10,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.96 : 14,480.68 = 7,500.60 : x
  2. Step 2: Convert to fraction form
    10,489.96/14,480.68 = 7,500.60/x
  3. Step 3: Cross multiply
    10,489.96x = 14,480.68 × 7,500.60
  4. Step 4: Simplify right side
    10,489.96x = 108,613,788.41
  5. Step 5: Solve for x
    x = 108,613,788.41/10,489.96
  6. Step 6: Final answer
    x = 10,354.07

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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.