Home / 12,432.57-18,649.26-4,113.06

Finding the Fourth Proportional to 12,432.57, 18,649.26 and 4,113.06

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Solution

The fourth proportional to 12,432.57, 18,649.26 and 4,113.06 is: 6,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.57 : 18,649.26 = 4,113.06 : x
  2. Step 2: Convert to fraction form
    12,432.57/18,649.26 = 4,113.06/x
  3. Step 3: Cross multiply
    12,432.57x = 18,649.26 × 4,113.06
  4. Step 4: Simplify right side
    12,432.57x = 76,705,525.34
  5. Step 5: Solve for x
    x = 76,705,525.34/12,432.57
  6. Step 6: Final answer
    x = 6,169.72

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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.