Home / 22,966.20-34,449.30-7,385.40

Finding the Fourth Proportional to 22,966.20, 34,449.30 and 7,385.40

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Solution

The fourth proportional to 22,966.20, 34,449.30 and 7,385.40 is: 11,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,966.20 : 34,449.30 = 7,385.40 : x
  2. Step 2: Convert to fraction form
    22,966.20/34,449.30 = 7,385.40/x
  3. Step 3: Cross multiply
    22,966.20x = 34,449.30 × 7,385.40
  4. Step 4: Simplify right side
    22,966.20x = 254,421,860.22
  5. Step 5: Solve for x
    x = 254,421,860.22/22,966.20
  6. Step 6: Final answer
    x = 11,078.10

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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.