Home / 9,139.24-13,703.14-4,202.56

Finding the Fourth Proportional to 9,139.24, 13,703.14 and 4,202.56

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Solution

The fourth proportional to 9,139.24, 13,703.14 and 4,202.56 is: 6,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.24 : 13,703.14 = 4,202.56 : x
  2. Step 2: Convert to fraction form
    9,139.24/13,703.14 = 4,202.56/x
  3. Step 3: Cross multiply
    9,139.24x = 13,703.14 × 4,202.56
  4. Step 4: Simplify right side
    9,139.24x = 57,588,268.04
  5. Step 5: Solve for x
    x = 57,588,268.04/9,139.24
  6. Step 6: Final answer
    x = 6,301.21

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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.