Home / 15,387.48-23,085.11-4,294.16

Finding the Fourth Proportional to 15,387.48, 23,085.11 and 4,294.16

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Solution

The fourth proportional to 15,387.48, 23,085.11 and 4,294.16 is: 6,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.48 : 23,085.11 = 4,294.16 : x
  2. Step 2: Convert to fraction form
    15,387.48/23,085.11 = 4,294.16/x
  3. Step 3: Cross multiply
    15,387.48x = 23,085.11 × 4,294.16
  4. Step 4: Simplify right side
    15,387.48x = 99,131,155.96
  5. Step 5: Solve for x
    x = 99,131,155.96/15,387.48
  6. Step 6: Final answer
    x = 6,442.33

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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.