Home / 18,108.39-24,991.14-10,152.15

Finding the Fourth Proportional to 18,108.39, 24,991.14 and 10,152.15

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Solution

The fourth proportional to 18,108.39, 24,991.14 and 10,152.15 is: 14,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.39 : 24,991.14 = 10,152.15 : x
  2. Step 2: Convert to fraction form
    18,108.39/24,991.14 = 10,152.15/x
  3. Step 3: Cross multiply
    18,108.39x = 24,991.14 × 10,152.15
  4. Step 4: Simplify right side
    18,108.39x = 253,713,801.95
  5. Step 5: Solve for x
    x = 253,713,801.95/18,108.39
  6. Step 6: Final answer
    x = 14,010.84

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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.