Home / 22,011.33-30,333.64-15,712.77

Finding the Fourth Proportional to 22,011.33, 30,333.64 and 15,712.77

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Solution

The fourth proportional to 22,011.33, 30,333.64 and 15,712.77 is: 21,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.33 : 30,333.64 = 15,712.77 : x
  2. Step 2: Convert to fraction form
    22,011.33/30,333.64 = 15,712.77/x
  3. Step 3: Cross multiply
    22,011.33x = 30,333.64 × 15,712.77
  4. Step 4: Simplify right side
    22,011.33x = 476,625,508.58
  5. Step 5: Solve for x
    x = 476,625,508.58/22,011.33
  6. Step 6: Final answer
    x = 21,653.64

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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.