Home / 19,839.53-29,746.64-8,588.81

Finding the Fourth Proportional to 19,839.53, 29,746.64 and 8,588.81

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Solution

The fourth proportional to 19,839.53, 29,746.64 and 8,588.81 is: 12,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.53 : 29,746.64 = 8,588.81 : x
  2. Step 2: Convert to fraction form
    19,839.53/29,746.64 = 8,588.81/x
  3. Step 3: Cross multiply
    19,839.53x = 29,746.64 × 8,588.81
  4. Step 4: Simplify right side
    19,839.53x = 255,488,196.15
  5. Step 5: Solve for x
    x = 255,488,196.15/19,839.53
  6. Step 6: Final answer
    x = 12,877.73

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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.