Home / 16,318.56-22,497.80-12,972.48

Finding the Fourth Proportional to 16,318.56, 22,497.80 and 12,972.48

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Solution

The fourth proportional to 16,318.56, 22,497.80 and 12,972.48 is: 17,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318.56 : 22,497.80 = 12,972.48 : x
  2. Step 2: Convert to fraction form
    16,318.56/22,497.80 = 12,972.48/x
  3. Step 3: Cross multiply
    16,318.56x = 22,497.80 × 12,972.48
  4. Step 4: Simplify right side
    16,318.56x = 291,852,260.54
  5. Step 5: Solve for x
    x = 291,852,260.54/16,318.56
  6. Step 6: Final answer
    x = 17,884.68

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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.