Home / 15,034.17-20,751.66-9,729.35

Finding the Fourth Proportional to 15,034.17, 20,751.66 and 9,729.35

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Solution

The fourth proportional to 15,034.17, 20,751.66 and 9,729.35 is: 13,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.17 : 20,751.66 = 9,729.35 : x
  2. Step 2: Convert to fraction form
    15,034.17/20,751.66 = 9,729.35/x
  3. Step 3: Cross multiply
    15,034.17x = 20,751.66 × 9,729.35
  4. Step 4: Simplify right side
    15,034.17x = 201,900,137.28
  5. Step 5: Solve for x
    x = 201,900,137.28/15,034.17
  6. Step 6: Final answer
    x = 13,429.41

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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.