Home / 9,857.55-13,603.17-5,381.37

Finding the Fourth Proportional to 9,857.55, 13,603.17 and 5,381.37

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Solution

The fourth proportional to 9,857.55, 13,603.17 and 5,381.37 is: 7,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.55 : 13,603.17 = 5,381.37 : x
  2. Step 2: Convert to fraction form
    9,857.55/13,603.17 = 5,381.37/x
  3. Step 3: Cross multiply
    9,857.55x = 13,603.17 × 5,381.37
  4. Step 4: Simplify right side
    9,857.55x = 73,203,690.94
  5. Step 5: Solve for x
    x = 73,203,690.94/9,857.55
  6. Step 6: Final answer
    x = 7,426.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.