Home / 19,769.55-27,288.32-13,061.13

Finding the Fourth Proportional to 19,769.55, 27,288.32 and 13,061.13

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Solution

The fourth proportional to 19,769.55, 27,288.32 and 13,061.13 is: 18,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.55 : 27,288.32 = 13,061.13 : x
  2. Step 2: Convert to fraction form
    19,769.55/27,288.32 = 13,061.13/x
  3. Step 3: Cross multiply
    19,769.55x = 27,288.32 × 13,061.13
  4. Step 4: Simplify right side
    19,769.55x = 356,416,295.00
  5. Step 5: Solve for x
    x = 356,416,295.00/19,769.55
  6. Step 6: Final answer
    x = 18,028.55

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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.