Home / 15,877.56-23,818.76-4,191.68

Finding the Fourth Proportional to 15,877.56, 23,818.76 and 4,191.68

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Solution

The fourth proportional to 15,877.56, 23,818.76 and 4,191.68 is: 6,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.56 : 23,818.76 = 4,191.68 : x
  2. Step 2: Convert to fraction form
    15,877.56/23,818.76 = 4,191.68/x
  3. Step 3: Cross multiply
    15,877.56x = 23,818.76 × 4,191.68
  4. Step 4: Simplify right side
    15,877.56x = 99,840,619.92
  5. Step 5: Solve for x
    x = 99,840,619.92/15,877.56
  6. Step 6: Final answer
    x = 6,288.16

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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.