Home / 15,157.26-20,930.26-9,501.76

Finding the Fourth Proportional to 15,157.26, 20,930.26 and 9,501.76

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Solution

The fourth proportional to 15,157.26, 20,930.26 and 9,501.76 is: 13,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157.26 : 20,930.26 = 9,501.76 : x
  2. Step 2: Convert to fraction form
    15,157.26/20,930.26 = 9,501.76/x
  3. Step 3: Cross multiply
    15,157.26x = 20,930.26 × 9,501.76
  4. Step 4: Simplify right side
    15,157.26x = 198,874,259.75
  5. Step 5: Solve for x
    x = 198,874,259.75/15,157.26
  6. Step 6: Final answer
    x = 13,120.73

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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.