Home / 12,176.30-18,233.06-10,432.57

Finding the Fourth Proportional to 12,176.30, 18,233.06 and 10,432.57

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Solution

The fourth proportional to 12,176.30, 18,233.06 and 10,432.57 is: 15,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.30 : 18,233.06 = 10,432.57 : x
  2. Step 2: Convert to fraction form
    12,176.30/18,233.06 = 10,432.57/x
  3. Step 3: Cross multiply
    12,176.30x = 18,233.06 × 10,432.57
  4. Step 4: Simplify right side
    12,176.30x = 190,217,674.76
  5. Step 5: Solve for x
    x = 190,217,674.76/12,176.30
  6. Step 6: Final answer
    x = 15,621.96

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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.