Home / 18,869.01-28,306-6,214.59

Finding the Fourth Proportional to 18,869.01, 28,306 and 6,214.59

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Solution

The fourth proportional to 18,869.01, 28,306 and 6,214.59 is: 9,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.01 : 28,306 = 6,214.59 : x
  2. Step 2: Convert to fraction form
    18,869.01/28,306 = 6,214.59/x
  3. Step 3: Cross multiply
    18,869.01x = 28,306 × 6,214.59
  4. Step 4: Simplify right side
    18,869.01x = 175,910,043.01
  5. Step 5: Solve for x
    x = 175,910,043.01/18,869.01
  6. Step 6: Final answer
    x = 9,322.70

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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.