Home / 15,508.40-23,262.87-4,415.37

Finding the Fourth Proportional to 15,508.40, 23,262.87 and 4,415.37

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Solution

The fourth proportional to 15,508.40, 23,262.87 and 4,415.37 is: 6,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,508.40 : 23,262.87 = 4,415.37 : x
  2. Step 2: Convert to fraction form
    15,508.40/23,262.87 = 4,415.37/x
  3. Step 3: Cross multiply
    15,508.40x = 23,262.87 × 4,415.37
  4. Step 4: Simplify right side
    15,508.40x = 102,714,178.31
  5. Step 5: Solve for x
    x = 102,714,178.31/15,508.40
  6. Step 6: Final answer
    x = 6,623.13

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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.