Home / 15,511.88-23,248.38-7,722.92

Finding the Fourth Proportional to 15,511.88, 23,248.38 and 7,722.92

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Solution

The fourth proportional to 15,511.88, 23,248.38 and 7,722.92 is: 11,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.88 : 23,248.38 = 7,722.92 : x
  2. Step 2: Convert to fraction form
    15,511.88/23,248.38 = 7,722.92/x
  3. Step 3: Cross multiply
    15,511.88x = 23,248.38 × 7,722.92
  4. Step 4: Simplify right side
    15,511.88x = 179,545,378.87
  5. Step 5: Solve for x
    x = 179,545,378.87/15,511.88
  6. Step 6: Final answer
    x = 11,574.70

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1.5x scale

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.