Home / 10,291.44-14,202.12-5,575.68

Finding the Fourth Proportional to 10,291.44, 14,202.12 and 5,575.68

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Solution

The fourth proportional to 10,291.44, 14,202.12 and 5,575.68 is: 7,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.44 : 14,202.12 = 5,575.68 : x
  2. Step 2: Convert to fraction form
    10,291.44/14,202.12 = 5,575.68/x
  3. Step 3: Cross multiply
    10,291.44x = 14,202.12 × 5,575.68
  4. Step 4: Simplify right side
    10,291.44x = 79,186,476.44
  5. Step 5: Solve for x
    x = 79,186,476.44/10,291.44
  6. Step 6: Final answer
    x = 7,694.40

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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.