Home / 15,482.08-23,215.92-5,620.96

Finding the Fourth Proportional to 15,482.08, 23,215.92 and 5,620.96

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Solution

The fourth proportional to 15,482.08, 23,215.92 and 5,620.96 is: 8,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.08 : 23,215.92 = 5,620.96 : x
  2. Step 2: Convert to fraction form
    15,482.08/23,215.92 = 5,620.96/x
  3. Step 3: Cross multiply
    15,482.08x = 23,215.92 × 5,620.96
  4. Step 4: Simplify right side
    15,482.08x = 130,495,757.68
  5. Step 5: Solve for x
    x = 130,495,757.68/15,482.08
  6. Step 6: Final answer
    x = 8,428.83

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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.