Home / 23,020.79-34,549.63-11,930.65

Finding the Fourth Proportional to 23,020.79, 34,549.63 and 11,930.65

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Solution

The fourth proportional to 23,020.79, 34,549.63 and 11,930.65 is: 17,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,020.79 : 34,549.63 = 11,930.65 : x
  2. Step 2: Convert to fraction form
    23,020.79/34,549.63 = 11,930.65/x
  3. Step 3: Cross multiply
    23,020.79x = 34,549.63 × 11,930.65
  4. Step 4: Simplify right side
    23,020.79x = 412,199,429.29
  5. Step 5: Solve for x
    x = 412,199,429.29/23,020.79
  6. Step 6: Final answer
    x = 17,905.53

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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.