Home / 16,986.60-23,442.99-9,434.40

Finding the Fourth Proportional to 16,986.60, 23,442.99 and 9,434.40

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Solution

The fourth proportional to 16,986.60, 23,442.99 and 9,434.40 is: 13,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.60 : 23,442.99 = 9,434.40 : x
  2. Step 2: Convert to fraction form
    16,986.60/23,442.99 = 9,434.40/x
  3. Step 3: Cross multiply
    16,986.60x = 23,442.99 × 9,434.40
  4. Step 4: Simplify right side
    16,986.60x = 221,170,544.86
  5. Step 5: Solve for x
    x = 221,170,544.86/16,986.60
  6. Step 6: Final answer
    x = 13,020.30

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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.