Home / 19,767.05-29,661.52-8,088.47

Finding the Fourth Proportional to 19,767.05, 29,661.52 and 8,088.47

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Solution

The fourth proportional to 19,767.05, 29,661.52 and 8,088.47 is: 12,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.05 : 29,661.52 = 8,088.47 : x
  2. Step 2: Convert to fraction form
    19,767.05/29,661.52 = 8,088.47/x
  3. Step 3: Cross multiply
    19,767.05x = 29,661.52 × 8,088.47
  4. Step 4: Simplify right side
    19,767.05x = 239,916,314.67
  5. Step 5: Solve for x
    x = 239,916,314.67/19,767.05
  6. Step 6: Final answer
    x = 12,137.18

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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.