Home / 15,436.64-23,157.42-5,578.36

Finding the Fourth Proportional to 15,436.64, 23,157.42 and 5,578.36

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Solution

The fourth proportional to 15,436.64, 23,157.42 and 5,578.36 is: 8,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.64 : 23,157.42 = 5,578.36 : x
  2. Step 2: Convert to fraction form
    15,436.64/23,157.42 = 5,578.36/x
  3. Step 3: Cross multiply
    15,436.64x = 23,157.42 × 5,578.36
  4. Step 4: Simplify right side
    15,436.64x = 129,180,425.43
  5. Step 5: Solve for x
    x = 129,180,425.43/15,436.64
  6. Step 6: Final answer
    x = 8,368.43

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.