Home / 19,857.29-29,779.32-8,008.00

Finding the Fourth Proportional to 19,857.29, 29,779.32 and 8,008.00

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Solution

The fourth proportional to 19,857.29, 29,779.32 and 8,008.00 is: 12,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.29 : 29,779.32 = 8,008.00 : x
  2. Step 2: Convert to fraction form
    19,857.29/29,779.32 = 8,008.00/x
  3. Step 3: Cross multiply
    19,857.29x = 29,779.32 × 8,008.00
  4. Step 4: Simplify right side
    19,857.29x = 238,472,720.11
  5. Step 5: Solve for x
    x = 238,472,720.11/19,857.29
  6. Step 6: Final answer
    x = 12,009.33

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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.