Home / 10,942.51-15,101.78-6,467.71

Finding the Fourth Proportional to 10,942.51, 15,101.78 and 6,467.71

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Solution

The fourth proportional to 10,942.51, 15,101.78 and 6,467.71 is: 8,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.51 : 15,101.78 = 6,467.71 : x
  2. Step 2: Convert to fraction form
    10,942.51/15,101.78 = 6,467.71/x
  3. Step 3: Cross multiply
    10,942.51x = 15,101.78 × 6,467.71
  4. Step 4: Simplify right side
    10,942.51x = 97,673,901.19
  5. Step 5: Solve for x
    x = 97,673,901.19/10,942.51
  6. Step 6: Final answer
    x = 8,926.10

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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.