Home / 10,407.72-14,363.17-6,161.21

Finding the Fourth Proportional to 10,407.72, 14,363.17 and 6,161.21

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Solution

The fourth proportional to 10,407.72, 14,363.17 and 6,161.21 is: 8,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.72 : 14,363.17 = 6,161.21 : x
  2. Step 2: Convert to fraction form
    10,407.72/14,363.17 = 6,161.21/x
  3. Step 3: Cross multiply
    10,407.72x = 14,363.17 × 6,161.21
  4. Step 4: Simplify right side
    10,407.72x = 88,494,588.73
  5. Step 5: Solve for x
    x = 88,494,588.73/10,407.72
  6. Step 6: Final answer
    x = 8,502.79

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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.