Home / 23,101.80-34,590.12-11,985.20

Finding the Fourth Proportional to 23,101.80, 34,590.12 and 11,985.20

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Solution

The fourth proportional to 23,101.80, 34,590.12 and 11,985.20 is: 17,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101.80 : 34,590.12 = 11,985.20 : x
  2. Step 2: Convert to fraction form
    23,101.80/34,590.12 = 11,985.20/x
  3. Step 3: Cross multiply
    23,101.80x = 34,590.12 × 11,985.20
  4. Step 4: Simplify right side
    23,101.80x = 414,569,506.22
  5. Step 5: Solve for x
    x = 414,569,506.22/23,101.80
  6. Step 6: Final answer
    x = 17,945.33

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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.