Home / 17,219.30-23,763.80-9,666.18

Finding the Fourth Proportional to 17,219.30, 23,763.80 and 9,666.18

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Solution

The fourth proportional to 17,219.30, 23,763.80 and 9,666.18 is: 13,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.30 : 23,763.80 = 9,666.18 : x
  2. Step 2: Convert to fraction form
    17,219.30/23,763.80 = 9,666.18/x
  3. Step 3: Cross multiply
    17,219.30x = 23,763.80 × 9,666.18
  4. Step 4: Simplify right side
    17,219.30x = 229,705,119.95
  5. Step 5: Solve for x
    x = 229,705,119.95/17,219.30
  6. Step 6: Final answer
    x = 13,339.98

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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.