Home / 18,635.36-27,959.76-9,394.40

Finding the Fourth Proportional to 18,635.36, 27,959.76 and 9,394.40

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Solution

The fourth proportional to 18,635.36, 27,959.76 and 9,394.40 is: 14,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.36 : 27,959.76 = 9,394.40 : x
  2. Step 2: Convert to fraction form
    18,635.36/27,959.76 = 9,394.40/x
  3. Step 3: Cross multiply
    18,635.36x = 27,959.76 × 9,394.40
  4. Step 4: Simplify right side
    18,635.36x = 262,665,169.34
  5. Step 5: Solve for x
    x = 262,665,169.34/18,635.36
  6. Step 6: Final answer
    x = 14,094.99

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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.