Home / 17,178.81-23,708.13-9,626.82

Finding the Fourth Proportional to 17,178.81, 23,708.13 and 9,626.82

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Solution

The fourth proportional to 17,178.81, 23,708.13 and 9,626.82 is: 13,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.81 : 23,708.13 = 9,626.82 : x
  2. Step 2: Convert to fraction form
    17,178.81/23,708.13 = 9,626.82/x
  3. Step 3: Cross multiply
    17,178.81x = 23,708.13 × 9,626.82
  4. Step 4: Simplify right side
    17,178.81x = 228,233,900.05
  5. Step 5: Solve for x
    x = 228,233,900.05/17,178.81
  6. Step 6: Final answer
    x = 13,285.78

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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.