Home / 19,498.10-29,247.15-12,499.70

Finding the Fourth Proportional to 19,498.10, 29,247.15 and 12,499.70

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Solution

The fourth proportional to 19,498.10, 29,247.15 and 12,499.70 is: 18,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.10 : 29,247.15 = 12,499.70 : x
  2. Step 2: Convert to fraction form
    19,498.10/29,247.15 = 12,499.70/x
  3. Step 3: Cross multiply
    19,498.10x = 29,247.15 × 12,499.70
  4. Step 4: Simplify right side
    19,498.10x = 365,580,600.86
  5. Step 5: Solve for x
    x = 365,580,600.86/19,498.10
  6. Step 6: Final answer
    x = 18,749.55

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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.