Home / 15,558.43-23,341.29-8,986.50

Finding the Fourth Proportional to 15,558.43, 23,341.29 and 8,986.50

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Solution

The fourth proportional to 15,558.43, 23,341.29 and 8,986.50 is: 13,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.43 : 23,341.29 = 8,986.50 : x
  2. Step 2: Convert to fraction form
    15,558.43/23,341.29 = 8,986.50/x
  3. Step 3: Cross multiply
    15,558.43x = 23,341.29 × 8,986.50
  4. Step 4: Simplify right side
    15,558.43x = 209,756,502.59
  5. Step 5: Solve for x
    x = 209,756,502.59/15,558.43
  6. Step 6: Final answer
    x = 13,481.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.