Home / 11,494.42-15,862.13-6,389.74

Finding the Fourth Proportional to 11,494.42, 15,862.13 and 6,389.74

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Solution

The fourth proportional to 11,494.42, 15,862.13 and 6,389.74 is: 8,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494.42 : 15,862.13 = 6,389.74 : x
  2. Step 2: Convert to fraction form
    11,494.42/15,862.13 = 6,389.74/x
  3. Step 3: Cross multiply
    11,494.42x = 15,862.13 × 6,389.74
  4. Step 4: Simplify right side
    11,494.42x = 101,354,814.94
  5. Step 5: Solve for x
    x = 101,354,814.94/11,494.42
  6. Step 6: Final answer
    x = 8,817.74

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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.