Home / 13,610.48-20,402.76-4,370

Finding the Fourth Proportional to 13,610.48, 20,402.76 and 4,370

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Solution

The fourth proportional to 13,610.48, 20,402.76 and 4,370 is: 6,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.48 : 20,402.76 = 4,370 : x
  2. Step 2: Convert to fraction form
    13,610.48/20,402.76 = 4,370/x
  3. Step 3: Cross multiply
    13,610.48x = 20,402.76 × 4,370
  4. Step 4: Simplify right side
    13,610.48x = 89,160,061.20
  5. Step 5: Solve for x
    x = 89,160,061.20/13,610.48
  6. Step 6: Final answer
    x = 6,550.84

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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.