Home / 40,265.40-60,398.60-12,185.64

Finding the Fourth Proportional to 40,265.40, 60,398.60 and 12,185.64

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Solution

The fourth proportional to 40,265.40, 60,398.60 and 12,185.64 is: 18,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,265.40 : 60,398.60 = 12,185.64 : x
  2. Step 2: Convert to fraction form
    40,265.40/60,398.60 = 12,185.64/x
  3. Step 3: Cross multiply
    40,265.40x = 60,398.60 × 12,185.64
  4. Step 4: Simplify right side
    40,265.40x = 735,995,596.10
  5. Step 5: Solve for x
    x = 735,995,596.10/40,265.40
  6. Step 6: Final answer
    x = 18,278.61

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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.