Home / 10,508.54-15,767.46-5,509.72

Finding the Fourth Proportional to 10,508.54, 15,767.46 and 5,509.72

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Solution

The fourth proportional to 10,508.54, 15,767.46 and 5,509.72 is: 8,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.54 : 15,767.46 = 5,509.72 : x
  2. Step 2: Convert to fraction form
    10,508.54/15,767.46 = 5,509.72/x
  3. Step 3: Cross multiply
    10,508.54x = 15,767.46 × 5,509.72
  4. Step 4: Simplify right side
    10,508.54x = 86,874,210.87
  5. Step 5: Solve for x
    x = 86,874,210.87/10,508.54
  6. Step 6: Final answer
    x = 8,267.01

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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.