Home / 10,190.22-15,288.10-9,214.26

Finding the Fourth Proportional to 10,190.22, 15,288.10 and 9,214.26

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Solution

The fourth proportional to 10,190.22, 15,288.10 and 9,214.26 is: 13,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.22 : 15,288.10 = 9,214.26 : x
  2. Step 2: Convert to fraction form
    10,190.22/15,288.10 = 9,214.26/x
  3. Step 3: Cross multiply
    10,190.22x = 15,288.10 × 9,214.26
  4. Step 4: Simplify right side
    10,190.22x = 140,868,528.31
  5. Step 5: Solve for x
    x = 140,868,528.31/10,190.22
  6. Step 6: Final answer
    x = 13,823.89

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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.