Home / 18,117.54-27,166.95-10,724.31

Finding the Fourth Proportional to 18,117.54, 27,166.95 and 10,724.31

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Solution

The fourth proportional to 18,117.54, 27,166.95 and 10,724.31 is: 16,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.54 : 27,166.95 = 10,724.31 : x
  2. Step 2: Convert to fraction form
    18,117.54/27,166.95 = 10,724.31/x
  3. Step 3: Cross multiply
    18,117.54x = 27,166.95 × 10,724.31
  4. Step 4: Simplify right side
    18,117.54x = 291,346,793.55
  5. Step 5: Solve for x
    x = 291,346,793.55/18,117.54
  6. Step 6: Final answer
    x = 16,080.92

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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.