Home / 19,528.12-29,291.92-4,737.16

Finding the Fourth Proportional to 19,528.12, 29,291.92 and 4,737.16

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Solution

The fourth proportional to 19,528.12, 29,291.92 and 4,737.16 is: 7,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.12 : 29,291.92 = 4,737.16 : x
  2. Step 2: Convert to fraction form
    19,528.12/29,291.92 = 4,737.16/x
  3. Step 3: Cross multiply
    19,528.12x = 29,291.92 × 4,737.16
  4. Step 4: Simplify right side
    19,528.12x = 138,760,511.75
  5. Step 5: Solve for x
    x = 138,760,511.75/19,528.12
  6. Step 6: Final answer
    x = 7,105.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.