Home / 21,926.57-30,258.45-11,854.89

Finding the Fourth Proportional to 21,926.57, 30,258.45 and 11,854.89

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Solution

The fourth proportional to 21,926.57, 30,258.45 and 11,854.89 is: 16,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.57 : 30,258.45 = 11,854.89 : x
  2. Step 2: Convert to fraction form
    21,926.57/30,258.45 = 11,854.89/x
  3. Step 3: Cross multiply
    21,926.57x = 30,258.45 × 11,854.89
  4. Step 4: Simplify right side
    21,926.57x = 358,710,596.32
  5. Step 5: Solve for x
    x = 358,710,596.32/21,926.57
  6. Step 6: Final answer
    x = 16,359.63

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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.