Home / 18,116.42-25,000.66-10,158.66

Finding the Fourth Proportional to 18,116.42, 25,000.66 and 10,158.66

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Solution

The fourth proportional to 18,116.42, 25,000.66 and 10,158.66 is: 14,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.42 : 25,000.66 = 10,158.66 : x
  2. Step 2: Convert to fraction form
    18,116.42/25,000.66 = 10,158.66/x
  3. Step 3: Cross multiply
    18,116.42x = 25,000.66 × 10,158.66
  4. Step 4: Simplify right side
    18,116.42x = 253,973,204.72
  5. Step 5: Solve for x
    x = 253,973,204.72/18,116.42
  6. Step 6: Final answer
    x = 14,018.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.