Home / 15,086.66-22,619.05-7,290

Finding the Fourth Proportional to 15,086.66, 22,619.05 and 7,290

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Solution

The fourth proportional to 15,086.66, 22,619.05 and 7,290 is: 10,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086.66 : 22,619.05 = 7,290 : x
  2. Step 2: Convert to fraction form
    15,086.66/22,619.05 = 7,290/x
  3. Step 3: Cross multiply
    15,086.66x = 22,619.05 × 7,290
  4. Step 4: Simplify right side
    15,086.66x = 164,892,856.28
  5. Step 5: Solve for x
    x = 164,892,856.28/15,086.66
  6. Step 6: Final answer
    x = 10,929.72

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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.