Home / 10,658.66-15,988.05-2,760.63

Finding the Fourth Proportional to 10,658.66, 15,988.05 and 2,760.63

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Solution

The fourth proportional to 10,658.66, 15,988.05 and 2,760.63 is: 4,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.66 : 15,988.05 = 2,760.63 : x
  2. Step 2: Convert to fraction form
    10,658.66/15,988.05 = 2,760.63/x
  3. Step 3: Cross multiply
    10,658.66x = 15,988.05 × 2,760.63
  4. Step 4: Simplify right side
    10,658.66x = 44,137,030.52
  5. Step 5: Solve for x
    x = 44,137,030.52/10,658.66
  6. Step 6: Final answer
    x = 4,140.95

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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.