Home / 11,545.81-15,932.25-6,511.27

Finding the Fourth Proportional to 11,545.81, 15,932.25 and 6,511.27

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Solution

The fourth proportional to 11,545.81, 15,932.25 and 6,511.27 is: 8,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.81 : 15,932.25 = 6,511.27 : x
  2. Step 2: Convert to fraction form
    11,545.81/15,932.25 = 6,511.27/x
  3. Step 3: Cross multiply
    11,545.81x = 15,932.25 × 6,511.27
  4. Step 4: Simplify right side
    11,545.81x = 103,739,101.80
  5. Step 5: Solve for x
    x = 103,739,101.80/11,545.81
  6. Step 6: Final answer
    x = 8,985.00

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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.