Home / 15,863.40-23,795.10-4,177.80

Finding the Fourth Proportional to 15,863.40, 23,795.10 and 4,177.80

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Solution

The fourth proportional to 15,863.40, 23,795.10 and 4,177.80 is: 6,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.40 : 23,795.10 = 4,177.80 : x
  2. Step 2: Convert to fraction form
    15,863.40/23,795.10 = 4,177.80/x
  3. Step 3: Cross multiply
    15,863.40x = 23,795.10 × 4,177.80
  4. Step 4: Simplify right side
    15,863.40x = 99,411,168.78
  5. Step 5: Solve for x
    x = 99,411,168.78/15,863.40
  6. Step 6: Final answer
    x = 6,266.70

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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.