Home / 15,217.20-22,825.80-9,312.30

Finding the Fourth Proportional to 15,217.20, 22,825.80 and 9,312.30

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Solution

The fourth proportional to 15,217.20, 22,825.80 and 9,312.30 is: 13,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.20 : 22,825.80 = 9,312.30 : x
  2. Step 2: Convert to fraction form
    15,217.20/22,825.80 = 9,312.30/x
  3. Step 3: Cross multiply
    15,217.20x = 22,825.80 × 9,312.30
  4. Step 4: Simplify right side
    15,217.20x = 212,560,697.34
  5. Step 5: Solve for x
    x = 212,560,697.34/15,217.20
  6. Step 6: Final answer
    x = 13,968.45

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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.