Home / 15,431.60-23,154.69-15,182.87

Finding the Fourth Proportional to 15,431.60, 23,154.69 and 15,182.87

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Solution

The fourth proportional to 15,431.60, 23,154.69 and 15,182.87 is: 22,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.60 : 23,154.69 = 15,182.87 : x
  2. Step 2: Convert to fraction form
    15,431.60/23,154.69 = 15,182.87/x
  3. Step 3: Cross multiply
    15,431.60x = 23,154.69 × 15,182.87
  4. Step 4: Simplify right side
    15,431.60x = 351,554,532.39
  5. Step 5: Solve for x
    x = 351,554,532.39/15,431.60
  6. Step 6: Final answer
    x = 22,781.48

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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.