Home / 10,538.06-15,808.01-4,298.54

Finding the Fourth Proportional to 10,538.06, 15,808.01 and 4,298.54

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Solution

The fourth proportional to 10,538.06, 15,808.01 and 4,298.54 is: 6,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.06 : 15,808.01 = 4,298.54 : x
  2. Step 2: Convert to fraction form
    10,538.06/15,808.01 = 4,298.54/x
  3. Step 3: Cross multiply
    10,538.06x = 15,808.01 × 4,298.54
  4. Step 4: Simplify right side
    10,538.06x = 67,951,262.77
  5. Step 5: Solve for x
    x = 67,951,262.77/10,538.06
  6. Step 6: Final answer
    x = 6,448.18

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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.