Home / 17,780.20-26,647.98-9,017.32

Finding the Fourth Proportional to 17,780.20, 26,647.98 and 9,017.32

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Solution

The fourth proportional to 17,780.20, 26,647.98 and 9,017.32 is: 13,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.20 : 26,647.98 = 9,017.32 : x
  2. Step 2: Convert to fraction form
    17,780.20/26,647.98 = 9,017.32/x
  3. Step 3: Cross multiply
    17,780.20x = 26,647.98 × 9,017.32
  4. Step 4: Simplify right side
    17,780.20x = 240,293,363.01
  5. Step 5: Solve for x
    x = 240,293,363.01/17,780.20
  6. Step 6: Final answer
    x = 13,514.66

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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.