Home / 10,558.64-15,838.24-8,097.92

Finding the Fourth Proportional to 10,558.64, 15,838.24 and 8,097.92

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Solution

The fourth proportional to 10,558.64, 15,838.24 and 8,097.92 is: 12,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.64 : 15,838.24 = 8,097.92 : x
  2. Step 2: Convert to fraction form
    10,558.64/15,838.24 = 8,097.92/x
  3. Step 3: Cross multiply
    10,558.64x = 15,838.24 × 8,097.92
  4. Step 4: Simplify right side
    10,558.64x = 128,256,800.46
  5. Step 5: Solve for x
    x = 128,256,800.46/10,558.64
  6. Step 6: Final answer
    x = 12,147.09

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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.