Home / 11,516.70-15,892.47-7,041.18

Finding the Fourth Proportional to 11,516.70, 15,892.47 and 7,041.18

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Solution

The fourth proportional to 11,516.70, 15,892.47 and 7,041.18 is: 9,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.70 : 15,892.47 = 7,041.18 : x
  2. Step 2: Convert to fraction form
    11,516.70/15,892.47 = 7,041.18/x
  3. Step 3: Cross multiply
    11,516.70x = 15,892.47 × 7,041.18
  4. Step 4: Simplify right side
    11,516.70x = 111,901,741.91
  5. Step 5: Solve for x
    x = 111,901,741.91/11,516.70
  6. Step 6: Final answer
    x = 9,716.48

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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.