Home / 10,378.41-15,567.62-2,587.23

Finding the Fourth Proportional to 10,378.41, 15,567.62 and 2,587.23

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Solution

The fourth proportional to 10,378.41, 15,567.62 and 2,587.23 is: 3,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.41 : 15,567.62 = 2,587.23 : x
  2. Step 2: Convert to fraction form
    10,378.41/15,567.62 = 2,587.23/x
  3. Step 3: Cross multiply
    10,378.41x = 15,567.62 × 2,587.23
  4. Step 4: Simplify right side
    10,378.41x = 40,277,000.56
  5. Step 5: Solve for x
    x = 40,277,000.56/10,378.41
  6. Step 6: Final answer
    x = 3,880.85

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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.