Home / 12,931.22-19,406.49-5,034.98

Finding the Fourth Proportional to 12,931.22, 19,406.49 and 5,034.98

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Solution

The fourth proportional to 12,931.22, 19,406.49 and 5,034.98 is: 7,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.22 : 19,406.49 = 5,034.98 : x
  2. Step 2: Convert to fraction form
    12,931.22/19,406.49 = 5,034.98/x
  3. Step 3: Cross multiply
    12,931.22x = 19,406.49 × 5,034.98
  4. Step 4: Simplify right side
    12,931.22x = 97,711,289.02
  5. Step 5: Solve for x
    x = 97,711,289.02/12,931.22
  6. Step 6: Final answer
    x = 7,556.23

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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.