Home / 18,256.71-27,388.31-9,490.89

Finding the Fourth Proportional to 18,256.71, 27,388.31 and 9,490.89

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Solution

The fourth proportional to 18,256.71, 27,388.31 and 9,490.89 is: 14,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.71 : 27,388.31 = 9,490.89 : x
  2. Step 2: Convert to fraction form
    18,256.71/27,388.31 = 9,490.89/x
  3. Step 3: Cross multiply
    18,256.71x = 27,388.31 × 9,490.89
  4. Step 4: Simplify right side
    18,256.71x = 259,939,390.04
  5. Step 5: Solve for x
    x = 259,939,390.04/18,256.71
  6. Step 6: Final answer
    x = 14,238.02

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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.