Home / 13,752.90-20,617.20-8,200.35

Finding the Fourth Proportional to 13,752.90, 20,617.20 and 8,200.35

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Solution

The fourth proportional to 13,752.90, 20,617.20 and 8,200.35 is: 12,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.90 : 20,617.20 = 8,200.35 : x
  2. Step 2: Convert to fraction form
    13,752.90/20,617.20 = 8,200.35/x
  3. Step 3: Cross multiply
    13,752.90x = 20,617.20 × 8,200.35
  4. Step 4: Simplify right side
    13,752.90x = 169,068,256.02
  5. Step 5: Solve for x
    x = 169,068,256.02/13,752.90
  6. Step 6: Final answer
    x = 12,293.28

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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.