Home / 18,842.61-25,995.39-11,289.25

Finding the Fourth Proportional to 18,842.61, 25,995.39 and 11,289.25

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Solution

The fourth proportional to 18,842.61, 25,995.39 and 11,289.25 is: 15,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.61 : 25,995.39 = 11,289.25 : x
  2. Step 2: Convert to fraction form
    18,842.61/25,995.39 = 11,289.25/x
  3. Step 3: Cross multiply
    18,842.61x = 25,995.39 × 11,289.25
  4. Step 4: Simplify right side
    18,842.61x = 293,468,549.77
  5. Step 5: Solve for x
    x = 293,468,549.77/18,842.61
  6. Step 6: Final answer
    x = 15,574.73

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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.