Home / 11,456.24-15,809.16-6,488.24

Finding the Fourth Proportional to 11,456.24, 15,809.16 and 6,488.24

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Solution

The fourth proportional to 11,456.24, 15,809.16 and 6,488.24 is: 8,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.24 : 15,809.16 = 6,488.24 : x
  2. Step 2: Convert to fraction form
    11,456.24/15,809.16 = 6,488.24/x
  3. Step 3: Cross multiply
    11,456.24x = 15,809.16 × 6,488.24
  4. Step 4: Simplify right side
    11,456.24x = 102,573,624.28
  5. Step 5: Solve for x
    x = 102,573,624.28/11,456.24
  6. Step 6: Final answer
    x = 8,953.52

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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.