Home / 18,180.90-27,281.57-7,088.36

Finding the Fourth Proportional to 18,180.90, 27,281.57 and 7,088.36

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Solution

The fourth proportional to 18,180.90, 27,281.57 and 7,088.36 is: 10,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.90 : 27,281.57 = 7,088.36 : x
  2. Step 2: Convert to fraction form
    18,180.90/27,281.57 = 7,088.36/x
  3. Step 3: Cross multiply
    18,180.90x = 27,281.57 × 7,088.36
  4. Step 4: Simplify right side
    18,180.90x = 193,381,417.68
  5. Step 5: Solve for x
    x = 193,381,417.68/18,180.90
  6. Step 6: Final answer
    x = 10,636.52

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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.