Home / 10,342.19-15,491.40-8,583.02

Finding the Fourth Proportional to 10,342.19, 15,491.40 and 8,583.02

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Solution

The fourth proportional to 10,342.19, 15,491.40 and 8,583.02 is: 12,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.19 : 15,491.40 = 8,583.02 : x
  2. Step 2: Convert to fraction form
    10,342.19/15,491.40 = 8,583.02/x
  3. Step 3: Cross multiply
    10,342.19x = 15,491.40 × 8,583.02
  4. Step 4: Simplify right side
    10,342.19x = 132,962,996.03
  5. Step 5: Solve for x
    x = 132,962,996.03/10,342.19
  6. Step 6: Final answer
    x = 12,856.37

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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.