Home / 20,064.15-30,114.45-13,494.96

Finding the Fourth Proportional to 20,064.15, 30,114.45 and 13,494.96

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Solution

The fourth proportional to 20,064.15, 30,114.45 and 13,494.96 is: 20,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.15 : 30,114.45 = 13,494.96 : x
  2. Step 2: Convert to fraction form
    20,064.15/30,114.45 = 13,494.96/x
  3. Step 3: Cross multiply
    20,064.15x = 30,114.45 × 13,494.96
  4. Step 4: Simplify right side
    20,064.15x = 406,393,298.17
  5. Step 5: Solve for x
    x = 406,393,298.17/20,064.15
  6. Step 6: Final answer
    x = 20,254.70

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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.