Home / 11,389.82-17,082.90-3,600.45

Finding the Fourth Proportional to 11,389.82, 17,082.90 and 3,600.45

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Solution

The fourth proportional to 11,389.82, 17,082.90 and 3,600.45 is: 5,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.82 : 17,082.90 = 3,600.45 : x
  2. Step 2: Convert to fraction form
    11,389.82/17,082.90 = 3,600.45/x
  3. Step 3: Cross multiply
    11,389.82x = 17,082.90 × 3,600.45
  4. Step 4: Simplify right side
    11,389.82x = 61,506,127.31
  5. Step 5: Solve for x
    x = 61,506,127.31/11,389.82
  6. Step 6: Final answer
    x = 5,400.10

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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.