Home / 15,237.96-21,028.74-10,769.61

Finding the Fourth Proportional to 15,237.96, 21,028.74 and 10,769.61

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Solution

The fourth proportional to 15,237.96, 21,028.74 and 10,769.61 is: 14,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.96 : 21,028.74 = 10,769.61 : x
  2. Step 2: Convert to fraction form
    15,237.96/21,028.74 = 10,769.61/x
  3. Step 3: Cross multiply
    15,237.96x = 21,028.74 × 10,769.61
  4. Step 4: Simplify right side
    15,237.96x = 226,471,328.59
  5. Step 5: Solve for x
    x = 226,471,328.59/15,237.96
  6. Step 6: Final answer
    x = 14,862.31

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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.