Home / 19,886.19-29,827.33-6,737.86

Finding the Fourth Proportional to 19,886.19, 29,827.33 and 6,737.86

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Solution

The fourth proportional to 19,886.19, 29,827.33 and 6,737.86 is: 10,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.19 : 29,827.33 = 6,737.86 : x
  2. Step 2: Convert to fraction form
    19,886.19/29,827.33 = 6,737.86/x
  3. Step 3: Cross multiply
    19,886.19x = 29,827.33 × 6,737.86
  4. Step 4: Simplify right side
    19,886.19x = 200,972,373.71
  5. Step 5: Solve for x
    x = 200,972,373.71/19,886.19
  6. Step 6: Final answer
    x = 10,106.13

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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.