Home / 18,106.74-27,161.53-7,012.58

Finding the Fourth Proportional to 18,106.74, 27,161.53 and 7,012.58

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Solution

The fourth proportional to 18,106.74, 27,161.53 and 7,012.58 is: 10,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.74 : 27,161.53 = 7,012.58 : x
  2. Step 2: Convert to fraction form
    18,106.74/27,161.53 = 7,012.58/x
  3. Step 3: Cross multiply
    18,106.74x = 27,161.53 × 7,012.58
  4. Step 4: Simplify right side
    18,106.74x = 190,472,248.71
  5. Step 5: Solve for x
    x = 190,472,248.71/18,106.74
  6. Step 6: Final answer
    x = 10,519.41

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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.