Home / 20,787.34-31,176.45-5,993.04

Finding the Fourth Proportional to 20,787.34, 31,176.45 and 5,993.04

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Solution

The fourth proportional to 20,787.34, 31,176.45 and 5,993.04 is: 8,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,787.34 : 31,176.45 = 5,993.04 : x
  2. Step 2: Convert to fraction form
    20,787.34/31,176.45 = 5,993.04/x
  3. Step 3: Cross multiply
    20,787.34x = 31,176.45 × 5,993.04
  4. Step 4: Simplify right side
    20,787.34x = 186,841,851.29
  5. Step 5: Solve for x
    x = 186,841,851.29/20,787.34
  6. Step 6: Final answer
    x = 8,988.25

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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.