Home / 12,010.55-17,936.98-10,236.65

Finding the Fourth Proportional to 12,010.55, 17,936.98 and 10,236.65

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Solution

The fourth proportional to 12,010.55, 17,936.98 and 10,236.65 is: 15,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.55 : 17,936.98 = 10,236.65 : x
  2. Step 2: Convert to fraction form
    12,010.55/17,936.98 = 10,236.65/x
  3. Step 3: Cross multiply
    12,010.55x = 17,936.98 × 10,236.65
  4. Step 4: Simplify right side
    12,010.55x = 183,614,605.57
  5. Step 5: Solve for x
    x = 183,614,605.57/12,010.55
  6. Step 6: Final answer
    x = 15,287.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.