Home / 9,381.28-14,073.44-3,538.40

Finding the Fourth Proportional to 9,381.28, 14,073.44 and 3,538.40

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Solution

The fourth proportional to 9,381.28, 14,073.44 and 3,538.40 is: 5,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.28 : 14,073.44 = 3,538.40 : x
  2. Step 2: Convert to fraction form
    9,381.28/14,073.44 = 3,538.40/x
  3. Step 3: Cross multiply
    9,381.28x = 14,073.44 × 3,538.40
  4. Step 4: Simplify right side
    9,381.28x = 49,797,460.10
  5. Step 5: Solve for x
    x = 49,797,460.10/9,381.28
  6. Step 6: Final answer
    x = 5,308.17

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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.