Home / 16,947.52-25,421.28-9,154.56

Finding the Fourth Proportional to 16,947.52, 25,421.28 and 9,154.56

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Solution

The fourth proportional to 16,947.52, 25,421.28 and 9,154.56 is: 13,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.52 : 25,421.28 = 9,154.56 : x
  2. Step 2: Convert to fraction form
    16,947.52/25,421.28 = 9,154.56/x
  3. Step 3: Cross multiply
    16,947.52x = 25,421.28 × 9,154.56
  4. Step 4: Simplify right side
    16,947.52x = 232,720,633.04
  5. Step 5: Solve for x
    x = 232,720,633.04/16,947.52
  6. Step 6: Final answer
    x = 13,731.84

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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.