Home / 17,439.80-26,159.70-9,247.80

Finding the Fourth Proportional to 17,439.80, 26,159.70 and 9,247.80

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Solution

The fourth proportional to 17,439.80, 26,159.70 and 9,247.80 is: 13,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.80 : 26,159.70 = 9,247.80 : x
  2. Step 2: Convert to fraction form
    17,439.80/26,159.70 = 9,247.80/x
  3. Step 3: Cross multiply
    17,439.80x = 26,159.70 × 9,247.80
  4. Step 4: Simplify right side
    17,439.80x = 241,919,673.66
  5. Step 5: Solve for x
    x = 241,919,673.66/17,439.80
  6. Step 6: Final answer
    x = 13,871.70

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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.