Home / 19,987.47-29,948.40-6,832.67

Finding the Fourth Proportional to 19,987.47, 29,948.40 and 6,832.67

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Solution

The fourth proportional to 19,987.47, 29,948.40 and 6,832.67 is: 10,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.47 : 29,948.40 = 6,832.67 : x
  2. Step 2: Convert to fraction form
    19,987.47/29,948.40 = 6,832.67/x
  3. Step 3: Cross multiply
    19,987.47x = 29,948.40 × 6,832.67
  4. Step 4: Simplify right side
    19,987.47x = 204,627,384.49
  5. Step 5: Solve for x
    x = 204,627,384.49/19,987.47
  6. Step 6: Final answer
    x = 10,237.78

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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.