Home / 11,048.28-15,228.92-7,462.11

Finding the Fourth Proportional to 11,048.28, 15,228.92 and 7,462.11

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Solution

The fourth proportional to 11,048.28, 15,228.92 and 7,462.11 is: 10,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,048.28 : 15,228.92 = 7,462.11 : x
  2. Step 2: Convert to fraction form
    11,048.28/15,228.92 = 7,462.11/x
  3. Step 3: Cross multiply
    11,048.28x = 15,228.92 × 7,462.11
  4. Step 4: Simplify right side
    11,048.28x = 113,639,941.06
  5. Step 5: Solve for x
    x = 113,639,941.06/11,048.28
  6. Step 6: Final answer
    x = 10,285.76

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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.