Home / 13,359.29-20,040.10-3,498.57

Finding the Fourth Proportional to 13,359.29, 20,040.10 and 3,498.57

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Solution

The fourth proportional to 13,359.29, 20,040.10 and 3,498.57 is: 5,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.29 : 20,040.10 = 3,498.57 : x
  2. Step 2: Convert to fraction form
    13,359.29/20,040.10 = 3,498.57/x
  3. Step 3: Cross multiply
    13,359.29x = 20,040.10 × 3,498.57
  4. Step 4: Simplify right side
    13,359.29x = 70,111,683.91
  5. Step 5: Solve for x
    x = 70,111,683.91/13,359.29
  6. Step 6: Final answer
    x = 5,248.16

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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.