Home / 13,160.68-19,737.60-3,798.61

Finding the Fourth Proportional to 13,160.68, 19,737.60 and 3,798.61

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Solution

The fourth proportional to 13,160.68, 19,737.60 and 3,798.61 is: 5,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.68 : 19,737.60 = 3,798.61 : x
  2. Step 2: Convert to fraction form
    13,160.68/19,737.60 = 3,798.61/x
  3. Step 3: Cross multiply
    13,160.68x = 19,737.60 × 3,798.61
  4. Step 4: Simplify right side
    13,160.68x = 74,975,444.74
  5. Step 5: Solve for x
    x = 74,975,444.74/13,160.68
  6. Step 6: Final answer
    x = 5,696.93

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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.