Home / 12,445.97-18,649.51-10,589.45

Finding the Fourth Proportional to 12,445.97, 18,649.51 and 10,589.45

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Solution

The fourth proportional to 12,445.97, 18,649.51 and 10,589.45 is: 15,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.97 : 18,649.51 = 10,589.45 : x
  2. Step 2: Convert to fraction form
    12,445.97/18,649.51 = 10,589.45/x
  3. Step 3: Cross multiply
    12,445.97x = 18,649.51 × 10,589.45
  4. Step 4: Simplify right side
    12,445.97x = 197,487,933.95
  5. Step 5: Solve for x
    x = 197,487,933.95/12,445.97
  6. Step 6: Final answer
    x = 15,867.63

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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.