Home / 10,255.41-14,152.46-5,539.70

Finding the Fourth Proportional to 10,255.41, 14,152.46 and 5,539.70

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Solution

The fourth proportional to 10,255.41, 14,152.46 and 5,539.70 is: 7,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.41 : 14,152.46 = 5,539.70 : x
  2. Step 2: Convert to fraction form
    10,255.41/14,152.46 = 5,539.70/x
  3. Step 3: Cross multiply
    10,255.41x = 14,152.46 × 5,539.70
  4. Step 4: Simplify right side
    10,255.41x = 78,400,284.20
  5. Step 5: Solve for x
    x = 78,400,284.20/10,255.41
  6. Step 6: Final answer
    x = 7,644.77

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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.