Home / 21,926.49-30,258.50-11,854.86

Finding the Fourth Proportional to 21,926.49, 30,258.50 and 11,854.86

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Solution

The fourth proportional to 21,926.49, 30,258.50 and 11,854.86 is: 16,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.49 : 30,258.50 = 11,854.86 : x
  2. Step 2: Convert to fraction form
    21,926.49/30,258.50 = 11,854.86/x
  3. Step 3: Cross multiply
    21,926.49x = 30,258.50 × 11,854.86
  4. Step 4: Simplify right side
    21,926.49x = 358,710,222.04
  5. Step 5: Solve for x
    x = 358,710,222.04/21,926.49
  6. Step 6: Final answer
    x = 16,359.67

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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.