Home / 11,862.47-17,794.55-3,541.81

Finding the Fourth Proportional to 11,862.47, 17,794.55 and 3,541.81

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Solution

The fourth proportional to 11,862.47, 17,794.55 and 3,541.81 is: 5,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.47 : 17,794.55 = 3,541.81 : x
  2. Step 2: Convert to fraction form
    11,862.47/17,794.55 = 3,541.81/x
  3. Step 3: Cross multiply
    11,862.47x = 17,794.55 × 3,541.81
  4. Step 4: Simplify right side
    11,862.47x = 63,024,852.94
  5. Step 5: Solve for x
    x = 63,024,852.94/11,862.47
  6. Step 6: Final answer
    x = 5,312.96

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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.