Home / 20,562.56-28,368.12-13,006.04

Finding the Fourth Proportional to 20,562.56, 28,368.12 and 13,006.04

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Solution

The fourth proportional to 20,562.56, 28,368.12 and 13,006.04 is: 17,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.56 : 28,368.12 = 13,006.04 : x
  2. Step 2: Convert to fraction form
    20,562.56/28,368.12 = 13,006.04/x
  3. Step 3: Cross multiply
    20,562.56x = 28,368.12 × 13,006.04
  4. Step 4: Simplify right side
    20,562.56x = 368,956,903.44
  5. Step 5: Solve for x
    x = 368,956,903.44/20,562.56
  6. Step 6: Final answer
    x = 17,943.14

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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.