Home / 18,842.36-25,995.05-11,289.00

Finding the Fourth Proportional to 18,842.36, 25,995.05 and 11,289.00

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Solution

The fourth proportional to 18,842.36, 25,995.05 and 11,289.00 is: 15,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.36 : 25,995.05 = 11,289.00 : x
  2. Step 2: Convert to fraction form
    18,842.36/25,995.05 = 11,289.00/x
  3. Step 3: Cross multiply
    18,842.36x = 25,995.05 × 11,289.00
  4. Step 4: Simplify right side
    18,842.36x = 293,458,156.22
  5. Step 5: Solve for x
    x = 293,458,156.22/18,842.36
  6. Step 6: Final answer
    x = 15,574.39

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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.