Home / 16,986.10-23,441.40-9,432.56

Finding the Fourth Proportional to 16,986.10, 23,441.40 and 9,432.56

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Solution

The fourth proportional to 16,986.10, 23,441.40 and 9,432.56 is: 13,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.10 : 23,441.40 = 9,432.56 : x
  2. Step 2: Convert to fraction form
    16,986.10/23,441.40 = 9,432.56/x
  3. Step 3: Cross multiply
    16,986.10x = 23,441.40 × 9,432.56
  4. Step 4: Simplify right side
    16,986.10x = 221,112,330.15
  5. Step 5: Solve for x
    x = 221,112,330.15/16,986.10
  6. Step 6: Final answer
    x = 13,017.25

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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.