Home / 19,389.01-29,082.35-6,908.37

Finding the Fourth Proportional to 19,389.01, 29,082.35 and 6,908.37

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Solution

The fourth proportional to 19,389.01, 29,082.35 and 6,908.37 is: 10,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.01 : 29,082.35 = 6,908.37 : x
  2. Step 2: Convert to fraction form
    19,389.01/29,082.35 = 6,908.37/x
  3. Step 3: Cross multiply
    19,389.01x = 29,082.35 × 6,908.37
  4. Step 4: Simplify right side
    19,389.01x = 200,911,634.27
  5. Step 5: Solve for x
    x = 200,911,634.27/19,389.01
  6. Step 6: Final answer
    x = 10,362.14

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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.