Home / 18,106.85-27,160.29-4,959.33

Finding the Fourth Proportional to 18,106.85, 27,160.29 and 4,959.33

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Solution

The fourth proportional to 18,106.85, 27,160.29 and 4,959.33 is: 7,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.85 : 27,160.29 = 4,959.33 : x
  2. Step 2: Convert to fraction form
    18,106.85/27,160.29 = 4,959.33/x
  3. Step 3: Cross multiply
    18,106.85x = 27,160.29 × 4,959.33
  4. Step 4: Simplify right side
    18,106.85x = 134,696,841.01
  5. Step 5: Solve for x
    x = 134,696,841.01/18,106.85
  6. Step 6: Final answer
    x = 7,439.00

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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.