Home / 13,350.33-18,427.29-8,816.31

Finding the Fourth Proportional to 13,350.33, 18,427.29 and 8,816.31

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Solution

The fourth proportional to 13,350.33, 18,427.29 and 8,816.31 is: 12,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.33 : 18,427.29 = 8,816.31 : x
  2. Step 2: Convert to fraction form
    13,350.33/18,427.29 = 8,816.31/x
  3. Step 3: Cross multiply
    13,350.33x = 18,427.29 × 8,816.31
  4. Step 4: Simplify right side
    13,350.33x = 162,460,701.10
  5. Step 5: Solve for x
    x = 162,460,701.10/13,350.33
  6. Step 6: Final answer
    x = 12,169.04

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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.