Home / 10,861.67-14,987.27-6,325.31

Finding the Fourth Proportional to 10,861.67, 14,987.27 and 6,325.31

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Solution

The fourth proportional to 10,861.67, 14,987.27 and 6,325.31 is: 8,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.67 : 14,987.27 = 6,325.31 : x
  2. Step 2: Convert to fraction form
    10,861.67/14,987.27 = 6,325.31/x
  3. Step 3: Cross multiply
    10,861.67x = 14,987.27 × 6,325.31
  4. Step 4: Simplify right side
    10,861.67x = 94,799,069.68
  5. Step 5: Solve for x
    x = 94,799,069.68/10,861.67
  6. Step 6: Final answer
    x = 8,727.86

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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.