Home / 10,291.22-14,201.87-5,575.50

Finding the Fourth Proportional to 10,291.22, 14,201.87 and 5,575.50

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Solution

The fourth proportional to 10,291.22, 14,201.87 and 5,575.50 is: 7,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.22 : 14,201.87 = 5,575.50 : x
  2. Step 2: Convert to fraction form
    10,291.22/14,201.87 = 5,575.50/x
  3. Step 3: Cross multiply
    10,291.22x = 14,201.87 × 5,575.50
  4. Step 4: Simplify right side
    10,291.22x = 79,182,455.18
  5. Step 5: Solve for x
    x = 79,182,455.18/10,291.22
  6. Step 6: Final answer
    x = 7,694.18

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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.