Home / 18,055.36-27,079.93-4,908.79

Finding the Fourth Proportional to 18,055.36, 27,079.93 and 4,908.79

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Solution

The fourth proportional to 18,055.36, 27,079.93 and 4,908.79 is: 7,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.36 : 27,079.93 = 4,908.79 : x
  2. Step 2: Convert to fraction form
    18,055.36/27,079.93 = 4,908.79/x
  3. Step 3: Cross multiply
    18,055.36x = 27,079.93 × 4,908.79
  4. Step 4: Simplify right side
    18,055.36x = 132,929,689.58
  5. Step 5: Solve for x
    x = 132,929,689.58/18,055.36
  6. Step 6: Final answer
    x = 7,362.34

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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.