Home / 15,034.26-20,733.56-12,909.12

Finding the Fourth Proportional to 15,034.26, 20,733.56 and 12,909.12

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Solution

The fourth proportional to 15,034.26, 20,733.56 and 12,909.12 is: 17,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.26 : 20,733.56 = 12,909.12 : x
  2. Step 2: Convert to fraction form
    15,034.26/20,733.56 = 12,909.12/x
  3. Step 3: Cross multiply
    15,034.26x = 20,733.56 × 12,909.12
  4. Step 4: Simplify right side
    15,034.26x = 267,652,014.07
  5. Step 5: Solve for x
    x = 267,652,014.07/15,034.26
  6. Step 6: Final answer
    x = 17,802.81

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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.