Home / 11,127.93-15,358.23-6,347.85

Finding the Fourth Proportional to 11,127.93, 15,358.23 and 6,347.85

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Solution

The fourth proportional to 11,127.93, 15,358.23 and 6,347.85 is: 8,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.93 : 15,358.23 = 6,347.85 : x
  2. Step 2: Convert to fraction form
    11,127.93/15,358.23 = 6,347.85/x
  3. Step 3: Cross multiply
    11,127.93x = 15,358.23 × 6,347.85
  4. Step 4: Simplify right side
    11,127.93x = 97,491,740.31
  5. Step 5: Solve for x
    x = 97,491,740.31/11,127.93
  6. Step 6: Final answer
    x = 8,761.00

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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.