Home / 10,172.60-15,252.96-4,326.20

Finding the Fourth Proportional to 10,172.60, 15,252.96 and 4,326.20

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Solution

The fourth proportional to 10,172.60, 15,252.96 and 4,326.20 is: 6,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.60 : 15,252.96 = 4,326.20 : x
  2. Step 2: Convert to fraction form
    10,172.60/15,252.96 = 4,326.20/x
  3. Step 3: Cross multiply
    10,172.60x = 15,252.96 × 4,326.20
  4. Step 4: Simplify right side
    10,172.60x = 65,987,355.55
  5. Step 5: Solve for x
    x = 65,987,355.55/10,172.60
  6. Step 6: Final answer
    x = 6,486.77

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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.