Home / 18,553.47-27,823.27-7,456.40

Finding the Fourth Proportional to 18,553.47, 27,823.27 and 7,456.40

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Solution

The fourth proportional to 18,553.47, 27,823.27 and 7,456.40 is: 11,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.47 : 27,823.27 = 7,456.40 : x
  2. Step 2: Convert to fraction form
    18,553.47/27,823.27 = 7,456.40/x
  3. Step 3: Cross multiply
    18,553.47x = 27,823.27 × 7,456.40
  4. Step 4: Simplify right side
    18,553.47x = 207,461,430.43
  5. Step 5: Solve for x
    x = 207,461,430.43/18,553.47
  6. Step 6: Final answer
    x = 11,181.81

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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.