Home / 15,320.24-21,141.11-8,606.15

Finding the Fourth Proportional to 15,320.24, 21,141.11 and 8,606.15

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Solution

The fourth proportional to 15,320.24, 21,141.11 and 8,606.15 is: 11,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.24 : 21,141.11 = 8,606.15 : x
  2. Step 2: Convert to fraction form
    15,320.24/21,141.11 = 8,606.15/x
  3. Step 3: Cross multiply
    15,320.24x = 21,141.11 × 8,606.15
  4. Step 4: Simplify right side
    15,320.24x = 181,943,479.64
  5. Step 5: Solve for x
    x = 181,943,479.64/15,320.24
  6. Step 6: Final answer
    x = 11,876.02

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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.