Home / 12,233.70-18,314.10-7,300.80

Finding the Fourth Proportional to 12,233.70, 18,314.10 and 7,300.80

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Solution

The fourth proportional to 12,233.70, 18,314.10 and 7,300.80 is: 10,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.70 : 18,314.10 = 7,300.80 : x
  2. Step 2: Convert to fraction form
    12,233.70/18,314.10 = 7,300.80/x
  3. Step 3: Cross multiply
    12,233.70x = 18,314.10 × 7,300.80
  4. Step 4: Simplify right side
    12,233.70x = 133,707,581.28
  5. Step 5: Solve for x
    x = 133,707,581.28/12,233.70
  6. Step 6: Final answer
    x = 10,929.45

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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.