Home / 17,436.40-26,116.20-9,218.80

Finding the Fourth Proportional to 17,436.40, 26,116.20 and 9,218.80

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Solution

The fourth proportional to 17,436.40, 26,116.20 and 9,218.80 is: 13,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,436.40 : 26,116.20 = 9,218.80 : x
  2. Step 2: Convert to fraction form
    17,436.40/26,116.20 = 9,218.80/x
  3. Step 3: Cross multiply
    17,436.40x = 26,116.20 × 9,218.80
  4. Step 4: Simplify right side
    17,436.40x = 240,760,024.56
  5. Step 5: Solve for x
    x = 240,760,024.56/17,436.40
  6. Step 6: Final answer
    x = 13,807.90

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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.