Home / 12,627.18-18,937.62-5,233.68

Finding the Fourth Proportional to 12,627.18, 18,937.62 and 5,233.68

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Solution

The fourth proportional to 12,627.18, 18,937.62 and 5,233.68 is: 7,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.18 : 18,937.62 = 5,233.68 : x
  2. Step 2: Convert to fraction form
    12,627.18/18,937.62 = 5,233.68/x
  3. Step 3: Cross multiply
    12,627.18x = 18,937.62 × 5,233.68
  4. Step 4: Simplify right side
    12,627.18x = 99,113,443.04
  5. Step 5: Solve for x
    x = 99,113,443.04/12,627.18
  6. Step 6: Final answer
    x = 7,849.21

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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.