Home / 13,086.43-18,057.63-8,846.71

Finding the Fourth Proportional to 13,086.43, 18,057.63 and 8,846.71

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Solution

The fourth proportional to 13,086.43, 18,057.63 and 8,846.71 is: 12,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.43 : 18,057.63 = 8,846.71 : x
  2. Step 2: Convert to fraction form
    13,086.43/18,057.63 = 8,846.71/x
  3. Step 3: Cross multiply
    13,086.43x = 18,057.63 × 8,846.71
  4. Step 4: Simplify right side
    13,086.43x = 159,750,683.61
  5. Step 5: Solve for x
    x = 159,750,683.61/13,086.43
  6. Step 6: Final answer
    x = 12,207.36

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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.