Home / 19,877.65-29,817.85-6,725.57

Finding the Fourth Proportional to 19,877.65, 29,817.85 and 6,725.57

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Solution

The fourth proportional to 19,877.65, 29,817.85 and 6,725.57 is: 10,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.65 : 29,817.85 = 6,725.57 : x
  2. Step 2: Convert to fraction form
    19,877.65/29,817.85 = 6,725.57/x
  3. Step 3: Cross multiply
    19,877.65x = 29,817.85 × 6,725.57
  4. Step 4: Simplify right side
    19,877.65x = 200,542,020.61
  5. Step 5: Solve for x
    x = 200,542,020.61/19,877.65
  6. Step 6: Final answer
    x = 10,088.82

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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.