Home / 22,279.19-33,420.40-7,487.98

Finding the Fourth Proportional to 22,279.19, 33,420.40 and 7,487.98

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Solution

The fourth proportional to 22,279.19, 33,420.40 and 7,487.98 is: 11,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.19 : 33,420.40 = 7,487.98 : x
  2. Step 2: Convert to fraction form
    22,279.19/33,420.40 = 7,487.98/x
  3. Step 3: Cross multiply
    22,279.19x = 33,420.40 × 7,487.98
  4. Step 4: Simplify right side
    22,279.19x = 250,251,184.52
  5. Step 5: Solve for x
    x = 250,251,184.52/22,279.19
  6. Step 6: Final answer
    x = 11,232.51

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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.