Home / 19,195.20-28,760.40-9,313.20

Finding the Fourth Proportional to 19,195.20, 28,760.40 and 9,313.20

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Solution

The fourth proportional to 19,195.20, 28,760.40 and 9,313.20 is: 13,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.20 : 28,760.40 = 9,313.20 : x
  2. Step 2: Convert to fraction form
    19,195.20/28,760.40 = 9,313.20/x
  3. Step 3: Cross multiply
    19,195.20x = 28,760.40 × 9,313.20
  4. Step 4: Simplify right side
    19,195.20x = 267,851,357.28
  5. Step 5: Solve for x
    x = 267,851,357.28/19,195.20
  6. Step 6: Final answer
    x = 13,954.08

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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.