Home / 23,011.12-34,517.11-7,215.80

Finding the Fourth Proportional to 23,011.12, 34,517.11 and 7,215.80

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Solution

The fourth proportional to 23,011.12, 34,517.11 and 7,215.80 is: 10,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,011.12 : 34,517.11 = 7,215.80 : x
  2. Step 2: Convert to fraction form
    23,011.12/34,517.11 = 7,215.80/x
  3. Step 3: Cross multiply
    23,011.12x = 34,517.11 × 7,215.80
  4. Step 4: Simplify right side
    23,011.12x = 249,068,579.40
  5. Step 5: Solve for x
    x = 249,068,579.40/23,011.12
  6. Step 6: Final answer
    x = 10,823.83

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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.