Home / 10,428.20-14,392.30-5,952.85

Finding the Fourth Proportional to 10,428.20, 14,392.30 and 5,952.85

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Solution

The fourth proportional to 10,428.20, 14,392.30 and 5,952.85 is: 8,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.20 : 14,392.30 = 5,952.85 : x
  2. Step 2: Convert to fraction form
    10,428.20/14,392.30 = 5,952.85/x
  3. Step 3: Cross multiply
    10,428.20x = 14,392.30 × 5,952.85
  4. Step 4: Simplify right side
    10,428.20x = 85,675,203.06
  5. Step 5: Solve for x
    x = 85,675,203.06/10,428.20
  6. Step 6: Final answer
    x = 8,215.72

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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.