Home / 15,207.57-22,810.66-5,213.20

Finding the Fourth Proportional to 15,207.57, 22,810.66 and 5,213.20

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Solution

The fourth proportional to 15,207.57, 22,810.66 and 5,213.20 is: 7,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.57 : 22,810.66 = 5,213.20 : x
  2. Step 2: Convert to fraction form
    15,207.57/22,810.66 = 5,213.20/x
  3. Step 3: Cross multiply
    15,207.57x = 22,810.66 × 5,213.20
  4. Step 4: Simplify right side
    15,207.57x = 118,916,518.14
  5. Step 5: Solve for x
    x = 118,916,518.14/15,207.57
  6. Step 6: Final answer
    x = 7,819.56

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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.