Home / 14,727.60-20,322.24-9,957.92

Finding the Fourth Proportional to 14,727.60, 20,322.24 and 9,957.92

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Solution

The fourth proportional to 14,727.60, 20,322.24 and 9,957.92 is: 13,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.60 : 20,322.24 = 9,957.92 : x
  2. Step 2: Convert to fraction form
    14,727.60/20,322.24 = 9,957.92/x
  3. Step 3: Cross multiply
    14,727.60x = 20,322.24 × 9,957.92
  4. Step 4: Simplify right side
    14,727.60x = 202,367,240.14
  5. Step 5: Solve for x
    x = 202,367,240.14/14,727.60
  6. Step 6: Final answer
    x = 13,740.68

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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.