Home / 10,328.44-14,253.36-5,612.72

Finding the Fourth Proportional to 10,328.44, 14,253.36 and 5,612.72

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Solution

The fourth proportional to 10,328.44, 14,253.36 and 5,612.72 is: 7,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.44 : 14,253.36 = 5,612.72 : x
  2. Step 2: Convert to fraction form
    10,328.44/14,253.36 = 5,612.72/x
  3. Step 3: Cross multiply
    10,328.44x = 14,253.36 × 5,612.72
  4. Step 4: Simplify right side
    10,328.44x = 80,000,118.74
  5. Step 5: Solve for x
    x = 80,000,118.74/10,328.44
  6. Step 6: Final answer
    x = 7,745.61

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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.