Home / 23,004.80-34,515.30-11,310.20

Finding the Fourth Proportional to 23,004.80, 34,515.30 and 11,310.20

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Solution

The fourth proportional to 23,004.80, 34,515.30 and 11,310.20 is: 16,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,004.80 : 34,515.30 = 11,310.20 : x
  2. Step 2: Convert to fraction form
    23,004.80/34,515.30 = 11,310.20/x
  3. Step 3: Cross multiply
    23,004.80x = 34,515.30 × 11,310.20
  4. Step 4: Simplify right side
    23,004.80x = 390,374,946.06
  5. Step 5: Solve for x
    x = 390,374,946.06/23,004.80
  6. Step 6: Final answer
    x = 16,969.28

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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.