Home / 11,264.78-15,545.12-6,228.87

Finding the Fourth Proportional to 11,264.78, 15,545.12 and 6,228.87

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Solution

The fourth proportional to 11,264.78, 15,545.12 and 6,228.87 is: 8,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.78 : 15,545.12 = 6,228.87 : x
  2. Step 2: Convert to fraction form
    11,264.78/15,545.12 = 6,228.87/x
  3. Step 3: Cross multiply
    11,264.78x = 15,545.12 × 6,228.87
  4. Step 4: Simplify right side
    11,264.78x = 96,828,531.61
  5. Step 5: Solve for x
    x = 96,828,531.61/11,264.78
  6. Step 6: Final answer
    x = 8,595.69

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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.