Home / 10,243.70-15,371.52-4,320.22

Finding the Fourth Proportional to 10,243.70, 15,371.52 and 4,320.22

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Solution

The fourth proportional to 10,243.70, 15,371.52 and 4,320.22 is: 6,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.70 : 15,371.52 = 4,320.22 : x
  2. Step 2: Convert to fraction form
    10,243.70/15,371.52 = 4,320.22/x
  3. Step 3: Cross multiply
    10,243.70x = 15,371.52 × 4,320.22
  4. Step 4: Simplify right side
    10,243.70x = 66,408,348.13
  5. Step 5: Solve for x
    x = 66,408,348.13/10,243.70
  6. Step 6: Final answer
    x = 6,482.85

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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.