Home / 15,886.73-23,828.80-5,356.52

Finding the Fourth Proportional to 15,886.73, 23,828.80 and 5,356.52

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Solution

The fourth proportional to 15,886.73, 23,828.80 and 5,356.52 is: 8,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.73 : 23,828.80 = 5,356.52 : x
  2. Step 2: Convert to fraction form
    15,886.73/23,828.80 = 5,356.52/x
  3. Step 3: Cross multiply
    15,886.73x = 23,828.80 × 5,356.52
  4. Step 4: Simplify right side
    15,886.73x = 127,639,443.78
  5. Step 5: Solve for x
    x = 127,639,443.78/15,886.73
  6. Step 6: Final answer
    x = 8,034.34

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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.