Home / 14,737.28-20,357.34-13,687.52

Finding the Fourth Proportional to 14,737.28, 20,357.34 and 13,687.52

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Solution

The fourth proportional to 14,737.28, 20,357.34 and 13,687.52 is: 18,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.28 : 20,357.34 = 13,687.52 : x
  2. Step 2: Convert to fraction form
    14,737.28/20,357.34 = 13,687.52/x
  3. Step 3: Cross multiply
    14,737.28x = 20,357.34 × 13,687.52
  4. Step 4: Simplify right side
    14,737.28x = 278,641,498.40
  5. Step 5: Solve for x
    x = 278,641,498.40/14,737.28
  6. Step 6: Final answer
    x = 18,907.25

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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.