Home / 10,461.05-14,436.19-5,680.95

Finding the Fourth Proportional to 10,461.05, 14,436.19 and 5,680.95

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Solution

The fourth proportional to 10,461.05, 14,436.19 and 5,680.95 is: 7,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.05 : 14,436.19 = 5,680.95 : x
  2. Step 2: Convert to fraction form
    10,461.05/14,436.19 = 5,680.95/x
  3. Step 3: Cross multiply
    10,461.05x = 14,436.19 × 5,680.95
  4. Step 4: Simplify right side
    10,461.05x = 82,011,273.58
  5. Step 5: Solve for x
    x = 82,011,273.58/10,461.05
  6. Step 6: Final answer
    x = 7,839.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.