Home / 10,209.44-15,301.86-5,276.42

Finding the Fourth Proportional to 10,209.44, 15,301.86 and 5,276.42

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Solution

The fourth proportional to 10,209.44, 15,301.86 and 5,276.42 is: 7,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.44 : 15,301.86 = 5,276.42 : x
  2. Step 2: Convert to fraction form
    10,209.44/15,301.86 = 5,276.42/x
  3. Step 3: Cross multiply
    10,209.44x = 15,301.86 × 5,276.42
  4. Step 4: Simplify right side
    10,209.44x = 80,739,040.14
  5. Step 5: Solve for x
    x = 80,739,040.14/10,209.44
  6. Step 6: Final answer
    x = 7,908.27

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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.