Home / 13,354.34-20,031.92-4,589.13

Finding the Fourth Proportional to 13,354.34, 20,031.92 and 4,589.13

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Solution

The fourth proportional to 13,354.34, 20,031.92 and 4,589.13 is: 6,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.34 : 20,031.92 = 4,589.13 : x
  2. Step 2: Convert to fraction form
    13,354.34/20,031.92 = 4,589.13/x
  3. Step 3: Cross multiply
    13,354.34x = 20,031.92 × 4,589.13
  4. Step 4: Simplify right side
    13,354.34x = 91,929,085.03
  5. Step 5: Solve for x
    x = 91,929,085.03/13,354.34
  6. Step 6: Final answer
    x = 6,883.84

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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.