Home / 10,291.40-14,202.20-5,575.68

Finding the Fourth Proportional to 10,291.40, 14,202.20 and 5,575.68

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Solution

The fourth proportional to 10,291.40, 14,202.20 and 5,575.68 is: 7,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.40 : 14,202.20 = 5,575.68 : x
  2. Step 2: Convert to fraction form
    10,291.40/14,202.20 = 5,575.68/x
  3. Step 3: Cross multiply
    10,291.40x = 14,202.20 × 5,575.68
  4. Step 4: Simplify right side
    10,291.40x = 79,186,894.62
  5. Step 5: Solve for x
    x = 79,186,894.62/10,291.40
  6. Step 6: Final answer
    x = 7,694.48

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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.