Home / 19,358.81-29,021.01-6,877.19

Finding the Fourth Proportional to 19,358.81, 29,021.01 and 6,877.19

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Solution

The fourth proportional to 19,358.81, 29,021.01 and 6,877.19 is: 10,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.81 : 29,021.01 = 6,877.19 : x
  2. Step 2: Convert to fraction form
    19,358.81/29,021.01 = 6,877.19/x
  3. Step 3: Cross multiply
    19,358.81x = 29,021.01 × 6,877.19
  4. Step 4: Simplify right side
    19,358.81x = 199,582,854.66
  5. Step 5: Solve for x
    x = 199,582,854.66/19,358.81
  6. Step 6: Final answer
    x = 10,309.67

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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.