Home / 25,909.70-38,864.55-11,116.10

Finding the Fourth Proportional to 25,909.70, 38,864.55 and 11,116.10

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Solution

The fourth proportional to 25,909.70, 38,864.55 and 11,116.10 is: 16,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.70 : 38,864.55 = 11,116.10 : x
  2. Step 2: Convert to fraction form
    25,909.70/38,864.55 = 11,116.10/x
  3. Step 3: Cross multiply
    25,909.70x = 38,864.55 × 11,116.10
  4. Step 4: Simplify right side
    25,909.70x = 432,022,224.26
  5. Step 5: Solve for x
    x = 432,022,224.26/25,909.70
  6. Step 6: Final answer
    x = 16,674.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.