Home / 10,720.49-16,082.75-3,323.23

Finding the Fourth Proportional to 10,720.49, 16,082.75 and 3,323.23

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Solution

The fourth proportional to 10,720.49, 16,082.75 and 3,323.23 is: 4,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.49 : 16,082.75 = 3,323.23 : x
  2. Step 2: Convert to fraction form
    10,720.49/16,082.75 = 3,323.23/x
  3. Step 3: Cross multiply
    10,720.49x = 16,082.75 × 3,323.23
  4. Step 4: Simplify right side
    10,720.49x = 53,446,645.38
  5. Step 5: Solve for x
    x = 53,446,645.38/10,720.49
  6. Step 6: Final answer
    x = 4,985.47

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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.