Home / 23,008.80-34,513.20-11,319.60

Finding the Fourth Proportional to 23,008.80, 34,513.20 and 11,319.60

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Solution

The fourth proportional to 23,008.80, 34,513.20 and 11,319.60 is: 16,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.80 : 34,513.20 = 11,319.60 : x
  2. Step 2: Convert to fraction form
    23,008.80/34,513.20 = 11,319.60/x
  3. Step 3: Cross multiply
    23,008.80x = 34,513.20 × 11,319.60
  4. Step 4: Simplify right side
    23,008.80x = 390,675,618.72
  5. Step 5: Solve for x
    x = 390,675,618.72/23,008.80
  6. Step 6: Final answer
    x = 16,979.40

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1.5x scale

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.