Home / 18,548.79-27,810.83-9,642.23

Finding the Fourth Proportional to 18,548.79, 27,810.83 and 9,642.23

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Solution

The fourth proportional to 18,548.79, 27,810.83 and 9,642.23 is: 14,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.79 : 27,810.83 = 9,642.23 : x
  2. Step 2: Convert to fraction form
    18,548.79/27,810.83 = 9,642.23/x
  3. Step 3: Cross multiply
    18,548.79x = 27,810.83 × 9,642.23
  4. Step 4: Simplify right side
    18,548.79x = 268,158,371.14
  5. Step 5: Solve for x
    x = 268,158,371.14/18,548.79
  6. Step 6: Final answer
    x = 14,456.92

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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.