Home / 9,230.68-12,738.36-5,039.20

Finding the Fourth Proportional to 9,230.68, 12,738.36 and 5,039.20

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Solution

The fourth proportional to 9,230.68, 12,738.36 and 5,039.20 is: 6,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.68 : 12,738.36 = 5,039.20 : x
  2. Step 2: Convert to fraction form
    9,230.68/12,738.36 = 5,039.20/x
  3. Step 3: Cross multiply
    9,230.68x = 12,738.36 × 5,039.20
  4. Step 4: Simplify right side
    9,230.68x = 64,191,143.71
  5. Step 5: Solve for x
    x = 64,191,143.71/9,230.68
  6. Step 6: Final answer
    x = 6,954.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.