Home / 23,178.18-34,761.75-10,690.38

Finding the Fourth Proportional to 23,178.18, 34,761.75 and 10,690.38

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Solution

The fourth proportional to 23,178.18, 34,761.75 and 10,690.38 is: 16,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.18 : 34,761.75 = 10,690.38 : x
  2. Step 2: Convert to fraction form
    23,178.18/34,761.75 = 10,690.38/x
  3. Step 3: Cross multiply
    23,178.18x = 34,761.75 × 10,690.38
  4. Step 4: Simplify right side
    23,178.18x = 371,616,316.97
  5. Step 5: Solve for x
    x = 371,616,316.97/23,178.18
  6. Step 6: Final answer
    x = 16,033.02

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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.