Home / 18,569.13-27,855.34-5,242.22

Finding the Fourth Proportional to 18,569.13, 27,855.34 and 5,242.22

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Solution

The fourth proportional to 18,569.13, 27,855.34 and 5,242.22 is: 7,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.13 : 27,855.34 = 5,242.22 : x
  2. Step 2: Convert to fraction form
    18,569.13/27,855.34 = 5,242.22/x
  3. Step 3: Cross multiply
    18,569.13x = 27,855.34 × 5,242.22
  4. Step 4: Simplify right side
    18,569.13x = 146,023,802.02
  5. Step 5: Solve for x
    x = 146,023,802.02/18,569.13
  6. Step 6: Final answer
    x = 7,863.79

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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.