Home / 15,111.40-22,670.34-4,581.76

Finding the Fourth Proportional to 15,111.40, 22,670.34 and 4,581.76

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Solution

The fourth proportional to 15,111.40, 22,670.34 and 4,581.76 is: 6,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.40 : 22,670.34 = 4,581.76 : x
  2. Step 2: Convert to fraction form
    15,111.40/22,670.34 = 4,581.76/x
  3. Step 3: Cross multiply
    15,111.40x = 22,670.34 × 4,581.76
  4. Step 4: Simplify right side
    15,111.40x = 103,870,057.00
  5. Step 5: Solve for x
    x = 103,870,057.00/15,111.40
  6. Step 6: Final answer
    x = 6,873.62

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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.