Home / 18,306-25,262.28-9,922.50

Finding the Fourth Proportional to 18,306, 25,262.28 and 9,922.50

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Solution

The fourth proportional to 18,306, 25,262.28 and 9,922.50 is: 13,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306 : 25,262.28 = 9,922.50 : x
  2. Step 2: Convert to fraction form
    18,306/25,262.28 = 9,922.50/x
  3. Step 3: Cross multiply
    18,306x = 25,262.28 × 9,922.50
  4. Step 4: Simplify right side
    18,306x = 250,664,973.30
  5. Step 5: Solve for x
    x = 250,664,973.30/18,306
  6. Step 6: Final answer
    x = 13,693.05

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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.