Home / 22,985.76-34,491.60-9,135.84

Finding the Fourth Proportional to 22,985.76, 34,491.60 and 9,135.84

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Solution

The fourth proportional to 22,985.76, 34,491.60 and 9,135.84 is: 13,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.76 : 34,491.60 = 9,135.84 : x
  2. Step 2: Convert to fraction form
    22,985.76/34,491.60 = 9,135.84/x
  3. Step 3: Cross multiply
    22,985.76x = 34,491.60 × 9,135.84
  4. Step 4: Simplify right side
    22,985.76x = 315,109,738.94
  5. Step 5: Solve for x
    x = 315,109,738.94/22,985.76
  6. Step 6: Final answer
    x = 13,708.91

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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.