Home / 22,011.28-30,376.68-14,047.12

Finding the Fourth Proportional to 22,011.28, 30,376.68 and 14,047.12

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Solution

The fourth proportional to 22,011.28, 30,376.68 and 14,047.12 is: 19,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.28 : 30,376.68 = 14,047.12 : x
  2. Step 2: Convert to fraction form
    22,011.28/30,376.68 = 14,047.12/x
  3. Step 3: Cross multiply
    22,011.28x = 30,376.68 × 14,047.12
  4. Step 4: Simplify right side
    22,011.28x = 426,704,869.16
  5. Step 5: Solve for x
    x = 426,704,869.16/22,011.28
  6. Step 6: Final answer
    x = 19,385.74

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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.