Home / 15,117.56-22,643.52-7,310

Finding the Fourth Proportional to 15,117.56, 22,643.52 and 7,310

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Solution

The fourth proportional to 15,117.56, 22,643.52 and 7,310 is: 10,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.56 : 22,643.52 = 7,310 : x
  2. Step 2: Convert to fraction form
    15,117.56/22,643.52 = 7,310/x
  3. Step 3: Cross multiply
    15,117.56x = 22,643.52 × 7,310
  4. Step 4: Simplify right side
    15,117.56x = 165,524,131.20
  5. Step 5: Solve for x
    x = 165,524,131.20/15,117.56
  6. Step 6: Final answer
    x = 10,949.13

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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.