Home / 23,139.10-34,708.65-8,350.30

Finding the Fourth Proportional to 23,139.10, 34,708.65 and 8,350.30

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Solution

The fourth proportional to 23,139.10, 34,708.65 and 8,350.30 is: 12,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.10 : 34,708.65 = 8,350.30 : x
  2. Step 2: Convert to fraction form
    23,139.10/34,708.65 = 8,350.30/x
  3. Step 3: Cross multiply
    23,139.10x = 34,708.65 × 8,350.30
  4. Step 4: Simplify right side
    23,139.10x = 289,827,640.10
  5. Step 5: Solve for x
    x = 289,827,640.10/23,139.10
  6. Step 6: Final answer
    x = 12,525.45

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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.