Home / 10,861.24-14,987.68-6,145.82

Finding the Fourth Proportional to 10,861.24, 14,987.68 and 6,145.82

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Solution

The fourth proportional to 10,861.24, 14,987.68 and 6,145.82 is: 8,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.24 : 14,987.68 = 6,145.82 : x
  2. Step 2: Convert to fraction form
    10,861.24/14,987.68 = 6,145.82/x
  3. Step 3: Cross multiply
    10,861.24x = 14,987.68 × 6,145.82
  4. Step 4: Simplify right side
    10,861.24x = 92,111,583.50
  5. Step 5: Solve for x
    x = 92,111,583.50/10,861.24
  6. Step 6: Final answer
    x = 8,480.76

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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.