Home / 19,810.29-29,715.38-6,671.88

Finding the Fourth Proportional to 19,810.29, 29,715.38 and 6,671.88

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Solution

The fourth proportional to 19,810.29, 29,715.38 and 6,671.88 is: 10,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.29 : 29,715.38 = 6,671.88 : x
  2. Step 2: Convert to fraction form
    19,810.29/29,715.38 = 6,671.88/x
  3. Step 3: Cross multiply
    19,810.29x = 29,715.38 × 6,671.88
  4. Step 4: Simplify right side
    19,810.29x = 198,257,416.16
  5. Step 5: Solve for x
    x = 198,257,416.16/19,810.29
  6. Step 6: Final answer
    x = 10,007.80

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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.