Home / 15,610.47-23,431.50-13,842.87

Finding the Fourth Proportional to 15,610.47, 23,431.50 and 13,842.87

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Solution

The fourth proportional to 15,610.47, 23,431.50 and 13,842.87 is: 20,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.47 : 23,431.50 = 13,842.87 : x
  2. Step 2: Convert to fraction form
    15,610.47/23,431.50 = 13,842.87/x
  3. Step 3: Cross multiply
    15,610.47x = 23,431.50 × 13,842.87
  4. Step 4: Simplify right side
    15,610.47x = 324,359,208.41
  5. Step 5: Solve for x
    x = 324,359,208.41/15,610.47
  6. Step 6: Final answer
    x = 20,778.31

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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.