Home / 10,860.57-14,987.16-6,144.75

Finding the Fourth Proportional to 10,860.57, 14,987.16 and 6,144.75

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Solution

The fourth proportional to 10,860.57, 14,987.16 and 6,144.75 is: 8,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.57 : 14,987.16 = 6,144.75 : x
  2. Step 2: Convert to fraction form
    10,860.57/14,987.16 = 6,144.75/x
  3. Step 3: Cross multiply
    10,860.57x = 14,987.16 × 6,144.75
  4. Step 4: Simplify right side
    10,860.57x = 92,092,351.41
  5. Step 5: Solve for x
    x = 92,092,351.41/10,860.57
  6. Step 6: Final answer
    x = 8,479.51

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Double 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.