Home / 15,313.76-22,974.60-6,424.32

Finding the Fourth Proportional to 15,313.76, 22,974.60 and 6,424.32

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Solution

The fourth proportional to 15,313.76, 22,974.60 and 6,424.32 is: 9,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.76 : 22,974.60 = 6,424.32 : x
  2. Step 2: Convert to fraction form
    15,313.76/22,974.60 = 6,424.32/x
  3. Step 3: Cross multiply
    15,313.76x = 22,974.60 × 6,424.32
  4. Step 4: Simplify right side
    15,313.76x = 147,596,182.27
  5. Step 5: Solve for x
    x = 147,596,182.27/15,313.76
  6. Step 6: Final answer
    x = 9,638.14

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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.