Home / 11,228.30-15,491.28-7,252.10

Finding the Fourth Proportional to 11,228.30, 15,491.28 and 7,252.10

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Solution

The fourth proportional to 11,228.30, 15,491.28 and 7,252.10 is: 10,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.30 : 15,491.28 = 7,252.10 : x
  2. Step 2: Convert to fraction form
    11,228.30/15,491.28 = 7,252.10/x
  3. Step 3: Cross multiply
    11,228.30x = 15,491.28 × 7,252.10
  4. Step 4: Simplify right side
    11,228.30x = 112,344,311.69
  5. Step 5: Solve for x
    x = 112,344,311.69/11,228.30
  6. Step 6: Final answer
    x = 10,005.46

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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.