Home / 11,411.13-15,747.48-6,695.49

Finding the Fourth Proportional to 11,411.13, 15,747.48 and 6,695.49

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Solution

The fourth proportional to 11,411.13, 15,747.48 and 6,695.49 is: 9,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.13 : 15,747.48 = 6,695.49 : x
  2. Step 2: Convert to fraction form
    11,411.13/15,747.48 = 6,695.49/x
  3. Step 3: Cross multiply
    11,411.13x = 15,747.48 × 6,695.49
  4. Step 4: Simplify right side
    11,411.13x = 105,437,094.87
  5. Step 5: Solve for x
    x = 105,437,094.87/11,411.13
  6. Step 6: Final answer
    x = 9,239.85

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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.