Home / 10,930.68-15,082.47-6,214.05

Finding the Fourth Proportional to 10,930.68, 15,082.47 and 6,214.05

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Solution

The fourth proportional to 10,930.68, 15,082.47 and 6,214.05 is: 8,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.68 : 15,082.47 = 6,214.05 : x
  2. Step 2: Convert to fraction form
    10,930.68/15,082.47 = 6,214.05/x
  3. Step 3: Cross multiply
    10,930.68x = 15,082.47 × 6,214.05
  4. Step 4: Simplify right side
    10,930.68x = 93,723,222.70
  5. Step 5: Solve for x
    x = 93,723,222.70/10,930.68
  6. Step 6: Final answer
    x = 8,574.33

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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.