Home / 15,132.75-20,883.86-12,610.63

Finding the Fourth Proportional to 15,132.75, 20,883.86 and 12,610.63

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Solution

The fourth proportional to 15,132.75, 20,883.86 and 12,610.63 is: 17,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.75 : 20,883.86 = 12,610.63 : x
  2. Step 2: Convert to fraction form
    15,132.75/20,883.86 = 12,610.63/x
  3. Step 3: Cross multiply
    15,132.75x = 20,883.86 × 12,610.63
  4. Step 4: Simplify right side
    15,132.75x = 263,358,689.06
  5. Step 5: Solve for x
    x = 263,358,689.06/15,132.75
  6. Step 6: Final answer
    x = 17,403.23

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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.