Home / 13,532.85-20,307.38-4,775.13

Finding the Fourth Proportional to 13,532.85, 20,307.38 and 4,775.13

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Solution

The fourth proportional to 13,532.85, 20,307.38 and 4,775.13 is: 7,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.85 : 20,307.38 = 4,775.13 : x
  2. Step 2: Convert to fraction form
    13,532.85/20,307.38 = 4,775.13/x
  3. Step 3: Cross multiply
    13,532.85x = 20,307.38 × 4,775.13
  4. Step 4: Simplify right side
    13,532.85x = 96,970,355.58
  5. Step 5: Solve for x
    x = 96,970,355.58/13,532.85
  6. Step 6: Final answer
    x = 7,165.55

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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.