Home / 18,883.13-28,270.01-14,222.76

Finding the Fourth Proportional to 18,883.13, 28,270.01 and 14,222.76

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Solution

The fourth proportional to 18,883.13, 28,270.01 and 14,222.76 is: 21,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.13 : 28,270.01 = 14,222.76 : x
  2. Step 2: Convert to fraction form
    18,883.13/28,270.01 = 14,222.76/x
  3. Step 3: Cross multiply
    18,883.13x = 28,270.01 × 14,222.76
  4. Step 4: Simplify right side
    18,883.13x = 402,077,567.43
  5. Step 5: Solve for x
    x = 402,077,567.43/18,883.13
  6. Step 6: Final answer
    x = 21,292.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.