Home / 15,138.30-22,699.35-6,363.30

Finding the Fourth Proportional to 15,138.30, 22,699.35 and 6,363.30

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Solution

The fourth proportional to 15,138.30, 22,699.35 and 6,363.30 is: 9,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.30 : 22,699.35 = 6,363.30 : x
  2. Step 2: Convert to fraction form
    15,138.30/22,699.35 = 6,363.30/x
  3. Step 3: Cross multiply
    15,138.30x = 22,699.35 × 6,363.30
  4. Step 4: Simplify right side
    15,138.30x = 144,442,773.86
  5. Step 5: Solve for x
    x = 144,442,773.86/15,138.30
  6. Step 6: Final answer
    x = 9,541.55

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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.