Home / 23,000.10-34,500.15-7,419.30

Finding the Fourth Proportional to 23,000.10, 34,500.15 and 7,419.30

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Solution

The fourth proportional to 23,000.10, 34,500.15 and 7,419.30 is: 11,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,000.10 : 34,500.15 = 7,419.30 : x
  2. Step 2: Convert to fraction form
    23,000.10/34,500.15 = 7,419.30/x
  3. Step 3: Cross multiply
    23,000.10x = 34,500.15 × 7,419.30
  4. Step 4: Simplify right side
    23,000.10x = 255,966,962.90
  5. Step 5: Solve for x
    x = 255,966,962.90/23,000.10
  6. Step 6: Final answer
    x = 11,128.95

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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.