Home / 10,451.80-14,423.44-5,736.16

Finding the Fourth Proportional to 10,451.80, 14,423.44 and 5,736.16

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Solution

The fourth proportional to 10,451.80, 14,423.44 and 5,736.16 is: 7,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.80 : 14,423.44 = 5,736.16 : x
  2. Step 2: Convert to fraction form
    10,451.80/14,423.44 = 5,736.16/x
  3. Step 3: Cross multiply
    10,451.80x = 14,423.44 × 5,736.16
  4. Step 4: Simplify right side
    10,451.80x = 82,735,159.59
  5. Step 5: Solve for x
    x = 82,735,159.59/10,451.80
  6. Step 6: Final answer
    x = 7,915.88

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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.