Home / 22,219.20-33,303.36-10,515.84

Finding the Fourth Proportional to 22,219.20, 33,303.36 and 10,515.84

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Solution

The fourth proportional to 22,219.20, 33,303.36 and 10,515.84 is: 15,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.20 : 33,303.36 = 10,515.84 : x
  2. Step 2: Convert to fraction form
    22,219.20/33,303.36 = 10,515.84/x
  3. Step 3: Cross multiply
    22,219.20x = 33,303.36 × 10,515.84
  4. Step 4: Simplify right side
    22,219.20x = 350,212,805.22
  5. Step 5: Solve for x
    x = 350,212,805.22/22,219.20
  6. Step 6: Final answer
    x = 15,761.72

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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.