Home / 23,176.35-31,988.61-13,110.62

Finding the Fourth Proportional to 23,176.35, 31,988.61 and 13,110.62

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Solution

The fourth proportional to 23,176.35, 31,988.61 and 13,110.62 is: 18,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.35 : 31,988.61 = 13,110.62 : x
  2. Step 2: Convert to fraction form
    23,176.35/31,988.61 = 13,110.62/x
  3. Step 3: Cross multiply
    23,176.35x = 31,988.61 × 13,110.62
  4. Step 4: Simplify right side
    23,176.35x = 419,390,350.10
  5. Step 5: Solve for x
    x = 419,390,350.10/23,176.35
  6. Step 6: Final answer
    x = 18,095.62

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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.