Home / 16,130.91-22,260.68-9,057.35

Finding the Fourth Proportional to 16,130.91, 22,260.68 and 9,057.35

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Solution

The fourth proportional to 16,130.91, 22,260.68 and 9,057.35 is: 12,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.91 : 22,260.68 = 9,057.35 : x
  2. Step 2: Convert to fraction form
    16,130.91/22,260.68 = 9,057.35/x
  3. Step 3: Cross multiply
    16,130.91x = 22,260.68 × 9,057.35
  4. Step 4: Simplify right side
    16,130.91x = 201,622,613.41
  5. Step 5: Solve for x
    x = 201,622,613.41/16,130.91
  6. Step 6: Final answer
    x = 12,499.15

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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.