Home / 11,122.25-15,350.10-7,297.10

Finding the Fourth Proportional to 11,122.25, 15,350.10 and 7,297.10

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Solution

The fourth proportional to 11,122.25, 15,350.10 and 7,297.10 is: 10,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.25 : 15,350.10 = 7,297.10 : x
  2. Step 2: Convert to fraction form
    11,122.25/15,350.10 = 7,297.10/x
  3. Step 3: Cross multiply
    11,122.25x = 15,350.10 × 7,297.10
  4. Step 4: Simplify right side
    11,122.25x = 112,011,214.71
  5. Step 5: Solve for x
    x = 112,011,214.71/11,122.25
  6. Step 6: Final answer
    x = 10,070.91

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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.