Home / 18,837.36-28,261.51-5,691.67

Finding the Fourth Proportional to 18,837.36, 28,261.51 and 5,691.67

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Solution

The fourth proportional to 18,837.36, 28,261.51 and 5,691.67 is: 8,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.36 : 28,261.51 = 5,691.67 : x
  2. Step 2: Convert to fraction form
    18,837.36/28,261.51 = 5,691.67/x
  3. Step 3: Cross multiply
    18,837.36x = 28,261.51 × 5,691.67
  4. Step 4: Simplify right side
    18,837.36x = 160,855,103.74
  5. Step 5: Solve for x
    x = 160,855,103.74/18,837.36
  6. Step 6: Final answer
    x = 8,539.15

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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.