Home / 14,568.06-21,753.24-11,572.78

Finding the Fourth Proportional to 14,568.06, 21,753.24 and 11,572.78

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Solution

The fourth proportional to 14,568.06, 21,753.24 and 11,572.78 is: 17,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.06 : 21,753.24 = 11,572.78 : x
  2. Step 2: Convert to fraction form
    14,568.06/21,753.24 = 11,572.78/x
  3. Step 3: Cross multiply
    14,568.06x = 21,753.24 × 11,572.78
  4. Step 4: Simplify right side
    14,568.06x = 251,745,460.81
  5. Step 5: Solve for x
    x = 251,745,460.81/14,568.06
  6. Step 6: Final answer
    x = 17,280.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.