Home / 15,908.31-23,861.25-5,379.21

Finding the Fourth Proportional to 15,908.31, 23,861.25 and 5,379.21

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Solution

The fourth proportional to 15,908.31, 23,861.25 and 5,379.21 is: 8,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.31 : 23,861.25 = 5,379.21 : x
  2. Step 2: Convert to fraction form
    15,908.31/23,861.25 = 5,379.21/x
  3. Step 3: Cross multiply
    15,908.31x = 23,861.25 × 5,379.21
  4. Step 4: Simplify right side
    15,908.31x = 128,354,674.61
  5. Step 5: Solve for x
    x = 128,354,674.61/15,908.31
  6. Step 6: Final answer
    x = 8,068.40

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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.