Home / 22,762.60-34,127.70-8,717.20

Finding the Fourth Proportional to 22,762.60, 34,127.70 and 8,717.20

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Solution

The fourth proportional to 22,762.60, 34,127.70 and 8,717.20 is: 13,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.60 : 34,127.70 = 8,717.20 : x
  2. Step 2: Convert to fraction form
    22,762.60/34,127.70 = 8,717.20/x
  3. Step 3: Cross multiply
    22,762.60x = 34,127.70 × 8,717.20
  4. Step 4: Simplify right side
    22,762.60x = 297,497,986.44
  5. Step 5: Solve for x
    x = 297,497,986.44/22,762.60
  6. Step 6: Final answer
    x = 13,069.60

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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.