Home / 12,516.66-17,273.01-7,800.93

Finding the Fourth Proportional to 12,516.66, 17,273.01 and 7,800.93

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Solution

The fourth proportional to 12,516.66, 17,273.01 and 7,800.93 is: 10,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.66 : 17,273.01 = 7,800.93 : x
  2. Step 2: Convert to fraction form
    12,516.66/17,273.01 = 7,800.93/x
  3. Step 3: Cross multiply
    12,516.66x = 17,273.01 × 7,800.93
  4. Step 4: Simplify right side
    12,516.66x = 134,745,541.90
  5. Step 5: Solve for x
    x = 134,745,541.90/12,516.66
  6. Step 6: Final answer
    x = 10,765.30

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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.