Home / 10,781.24-14,878.05-6,065.56

Finding the Fourth Proportional to 10,781.24, 14,878.05 and 6,065.56

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Solution

The fourth proportional to 10,781.24, 14,878.05 and 6,065.56 is: 8,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.24 : 14,878.05 = 6,065.56 : x
  2. Step 2: Convert to fraction form
    10,781.24/14,878.05 = 6,065.56/x
  3. Step 3: Cross multiply
    10,781.24x = 14,878.05 × 6,065.56
  4. Step 4: Simplify right side
    10,781.24x = 90,243,704.96
  5. Step 5: Solve for x
    x = 90,243,704.96/10,781.24
  6. Step 6: Final answer
    x = 8,370.44

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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.