Home / 19,689.86-29,537.22-8,001.56

Finding the Fourth Proportional to 19,689.86, 29,537.22 and 8,001.56

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Solution

The fourth proportional to 19,689.86, 29,537.22 and 8,001.56 is: 12,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.86 : 29,537.22 = 8,001.56 : x
  2. Step 2: Convert to fraction form
    19,689.86/29,537.22 = 8,001.56/x
  3. Step 3: Cross multiply
    19,689.86x = 29,537.22 × 8,001.56
  4. Step 4: Simplify right side
    19,689.86x = 236,343,838.06
  5. Step 5: Solve for x
    x = 236,343,838.06/19,689.86
  6. Step 6: Final answer
    x = 12,003.33

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1.5x scale

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.