Home / 11,052.65-15,248.40-7,864.95

Finding the Fourth Proportional to 11,052.65, 15,248.40 and 7,864.95

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Solution

The fourth proportional to 11,052.65, 15,248.40 and 7,864.95 is: 10,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.65 : 15,248.40 = 7,864.95 : x
  2. Step 2: Convert to fraction form
    11,052.65/15,248.40 = 7,864.95/x
  3. Step 3: Cross multiply
    11,052.65x = 15,248.40 × 7,864.95
  4. Step 4: Simplify right side
    11,052.65x = 119,927,889.74
  5. Step 5: Solve for x
    x = 119,927,889.74/11,052.65
  6. Step 6: Final answer
    x = 10,850.60

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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.