Home / 10,212.64-15,301.08-7,275.64

Finding the Fourth Proportional to 10,212.64, 15,301.08 and 7,275.64

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Solution

The fourth proportional to 10,212.64, 15,301.08 and 7,275.64 is: 10,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.64 : 15,301.08 = 7,275.64 : x
  2. Step 2: Convert to fraction form
    10,212.64/15,301.08 = 7,275.64/x
  3. Step 3: Cross multiply
    10,212.64x = 15,301.08 × 7,275.64
  4. Step 4: Simplify right side
    10,212.64x = 111,325,149.69
  5. Step 5: Solve for x
    x = 111,325,149.69/10,212.64
  6. Step 6: Final answer
    x = 10,900.72

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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.