Home / 16,021.47-22,108.70-9,568.39

Finding the Fourth Proportional to 16,021.47, 22,108.70 and 9,568.39

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Solution

The fourth proportional to 16,021.47, 22,108.70 and 9,568.39 is: 13,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.47 : 22,108.70 = 9,568.39 : x
  2. Step 2: Convert to fraction form
    16,021.47/22,108.70 = 9,568.39/x
  3. Step 3: Cross multiply
    16,021.47x = 22,108.70 × 9,568.39
  4. Step 4: Simplify right side
    16,021.47x = 211,544,663.99
  5. Step 5: Solve for x
    x = 211,544,663.99/16,021.47
  6. Step 6: Final answer
    x = 13,203.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.