Home / 19,359.92-26,724.87-13,080.80

Finding the Fourth Proportional to 19,359.92, 26,724.87 and 13,080.80

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Solution

The fourth proportional to 19,359.92, 26,724.87 and 13,080.80 is: 18,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.92 : 26,724.87 = 13,080.80 : x
  2. Step 2: Convert to fraction form
    19,359.92/26,724.87 = 13,080.80/x
  3. Step 3: Cross multiply
    19,359.92x = 26,724.87 × 13,080.80
  4. Step 4: Simplify right side
    19,359.92x = 349,582,545.87
  5. Step 5: Solve for x
    x = 349,582,545.87/19,359.92
  6. Step 6: Final answer
    x = 18,057.03

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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.