Home / 15,138.60-22,663.10-11,260.20

Finding the Fourth Proportional to 15,138.60, 22,663.10 and 11,260.20

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Solution

The fourth proportional to 15,138.60, 22,663.10 and 11,260.20 is: 16,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.60 : 22,663.10 = 11,260.20 : x
  2. Step 2: Convert to fraction form
    15,138.60/22,663.10 = 11,260.20/x
  3. Step 3: Cross multiply
    15,138.60x = 22,663.10 × 11,260.20
  4. Step 4: Simplify right side
    15,138.60x = 255,191,038.62
  5. Step 5: Solve for x
    x = 255,191,038.62/15,138.60
  6. Step 6: Final answer
    x = 16,856.98

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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.