Home / 12,916.08-17,829.60-10,936.88

Finding the Fourth Proportional to 12,916.08, 17,829.60 and 10,936.88

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Solution

The fourth proportional to 12,916.08, 17,829.60 and 10,936.88 is: 15,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.08 : 17,829.60 = 10,936.88 : x
  2. Step 2: Convert to fraction form
    12,916.08/17,829.60 = 10,936.88/x
  3. Step 3: Cross multiply
    12,916.08x = 17,829.60 × 10,936.88
  4. Step 4: Simplify right side
    12,916.08x = 195,000,195.65
  5. Step 5: Solve for x
    x = 195,000,195.65/12,916.08
  6. Step 6: Final answer
    x = 15,097.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.