Home / 13,535.90-18,685.30-8,232.42

Finding the Fourth Proportional to 13,535.90, 18,685.30 and 8,232.42

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Solution

The fourth proportional to 13,535.90, 18,685.30 and 8,232.42 is: 11,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.90 : 18,685.30 = 8,232.42 : x
  2. Step 2: Convert to fraction form
    13,535.90/18,685.30 = 8,232.42/x
  3. Step 3: Cross multiply
    13,535.90x = 18,685.30 × 8,232.42
  4. Step 4: Simplify right side
    13,535.90x = 153,825,237.43
  5. Step 5: Solve for x
    x = 153,825,237.43/13,535.90
  6. Step 6: Final answer
    x = 11,364.24

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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.