Home / 10,372.75-14,314.58-5,657.20

Finding the Fourth Proportional to 10,372.75, 14,314.58 and 5,657.20

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Solution

The fourth proportional to 10,372.75, 14,314.58 and 5,657.20 is: 7,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.75 : 14,314.58 = 5,657.20 : x
  2. Step 2: Convert to fraction form
    10,372.75/14,314.58 = 5,657.20/x
  3. Step 3: Cross multiply
    10,372.75x = 14,314.58 × 5,657.20
  4. Step 4: Simplify right side
    10,372.75x = 80,980,441.98
  5. Step 5: Solve for x
    x = 80,980,441.98/10,372.75
  6. Step 6: Final answer
    x = 7,807.04

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Half scale
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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.