Home / 13,615.89-20,432.01-5,824.71

Finding the Fourth Proportional to 13,615.89, 20,432.01 and 5,824.71

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Solution

The fourth proportional to 13,615.89, 20,432.01 and 5,824.71 is: 8,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615.89 : 20,432.01 = 5,824.71 : x
  2. Step 2: Convert to fraction form
    13,615.89/20,432.01 = 5,824.71/x
  3. Step 3: Cross multiply
    13,615.89x = 20,432.01 × 5,824.71
  4. Step 4: Simplify right side
    13,615.89x = 119,010,532.97
  5. Step 5: Solve for x
    x = 119,010,532.97/13,615.89
  6. Step 6: Final answer
    x = 8,740.56

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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.