Home / 10,371.72-15,561.29-4,446.12

Finding the Fourth Proportional to 10,371.72, 15,561.29 and 4,446.12

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Solution

The fourth proportional to 10,371.72, 15,561.29 and 4,446.12 is: 6,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.72 : 15,561.29 = 4,446.12 : x
  2. Step 2: Convert to fraction form
    10,371.72/15,561.29 = 4,446.12/x
  3. Step 3: Cross multiply
    10,371.72x = 15,561.29 × 4,446.12
  4. Step 4: Simplify right side
    10,371.72x = 69,187,362.69
  5. Step 5: Solve for x
    x = 69,187,362.69/10,371.72
  6. Step 6: Final answer
    x = 6,670.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.