Home / 15,848.92-21,871.36-9,132.08

Finding the Fourth Proportional to 15,848.92, 21,871.36 and 9,132.08

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Solution

The fourth proportional to 15,848.92, 21,871.36 and 9,132.08 is: 12,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.92 : 21,871.36 = 9,132.08 : x
  2. Step 2: Convert to fraction form
    15,848.92/21,871.36 = 9,132.08/x
  3. Step 3: Cross multiply
    15,848.92x = 21,871.36 × 9,132.08
  4. Step 4: Simplify right side
    15,848.92x = 199,731,009.23
  5. Step 5: Solve for x
    x = 199,731,009.23/15,848.92
  6. Step 6: Final answer
    x = 12,602.18

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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.