Home / 22,278.16-33,417.75-7,487.21

Finding the Fourth Proportional to 22,278.16, 33,417.75 and 7,487.21

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Solution

The fourth proportional to 22,278.16, 33,417.75 and 7,487.21 is: 11,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.16 : 33,417.75 = 7,487.21 : x
  2. Step 2: Convert to fraction form
    22,278.16/33,417.75 = 7,487.21/x
  3. Step 3: Cross multiply
    22,278.16x = 33,417.75 × 7,487.21
  4. Step 4: Simplify right side
    22,278.16x = 250,205,507.45
  5. Step 5: Solve for x
    x = 250,205,507.45/22,278.16
  6. Step 6: Final answer
    x = 11,230.98

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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.