Home / 17,889.56-26,823.94-11,973.20

Finding the Fourth Proportional to 17,889.56, 26,823.94 and 11,973.20

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Solution

The fourth proportional to 17,889.56, 26,823.94 and 11,973.20 is: 17,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.56 : 26,823.94 = 11,973.20 : x
  2. Step 2: Convert to fraction form
    17,889.56/26,823.94 = 11,973.20/x
  3. Step 3: Cross multiply
    17,889.56x = 26,823.94 × 11,973.20
  4. Step 4: Simplify right side
    17,889.56x = 321,168,398.41
  5. Step 5: Solve for x
    x = 321,168,398.41/17,889.56
  6. Step 6: Final answer
    x = 17,952.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.