Home / 21,983.60-32,972.06-7,192.19

Finding the Fourth Proportional to 21,983.60, 32,972.06 and 7,192.19

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Solution

The fourth proportional to 21,983.60, 32,972.06 and 7,192.19 is: 10,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.60 : 32,972.06 = 7,192.19 : x
  2. Step 2: Convert to fraction form
    21,983.60/32,972.06 = 7,192.19/x
  3. Step 3: Cross multiply
    21,983.60x = 32,972.06 × 7,192.19
  4. Step 4: Simplify right side
    21,983.60x = 237,141,420.62
  5. Step 5: Solve for x
    x = 237,141,420.62/21,983.60
  6. Step 6: Final answer
    x = 10,787.20

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1.5x scale

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.