Home / 13,407.38-20,113.92-4,048.10

Finding the Fourth Proportional to 13,407.38, 20,113.92 and 4,048.10

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Solution

The fourth proportional to 13,407.38, 20,113.92 and 4,048.10 is: 6,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.38 : 20,113.92 = 4,048.10 : x
  2. Step 2: Convert to fraction form
    13,407.38/20,113.92 = 4,048.10/x
  3. Step 3: Cross multiply
    13,407.38x = 20,113.92 × 4,048.10
  4. Step 4: Simplify right side
    13,407.38x = 81,423,159.55
  5. Step 5: Solve for x
    x = 81,423,159.55/13,407.38
  6. Step 6: Final answer
    x = 6,073.01

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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.