Home / 21,339.07-32,011.64-11,341.21

Finding the Fourth Proportional to 21,339.07, 32,011.64 and 11,341.21

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Solution

The fourth proportional to 21,339.07, 32,011.64 and 11,341.21 is: 17,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339.07 : 32,011.64 = 11,341.21 : x
  2. Step 2: Convert to fraction form
    21,339.07/32,011.64 = 11,341.21/x
  3. Step 3: Cross multiply
    21,339.07x = 32,011.64 × 11,341.21
  4. Step 4: Simplify right side
    21,339.07x = 363,050,731.68
  5. Step 5: Solve for x
    x = 363,050,731.68/21,339.07
  6. Step 6: Final answer
    x = 17,013.43

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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.