Home / 21,926.33-30,258.34-11,854.77

Finding the Fourth Proportional to 21,926.33, 30,258.34 and 11,854.77

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Solution

The fourth proportional to 21,926.33, 30,258.34 and 11,854.77 is: 16,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.33 : 30,258.34 = 11,854.77 : x
  2. Step 2: Convert to fraction form
    21,926.33/30,258.34 = 11,854.77/x
  3. Step 3: Cross multiply
    21,926.33x = 30,258.34 × 11,854.77
  4. Step 4: Simplify right side
    21,926.33x = 358,705,631.64
  5. Step 5: Solve for x
    x = 358,705,631.64/21,926.33
  6. Step 6: Final answer
    x = 16,359.58

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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.