Home / 10,394.15-14,348.65-6,622.49

Finding the Fourth Proportional to 10,394.15, 14,348.65 and 6,622.49

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Solution

The fourth proportional to 10,394.15, 14,348.65 and 6,622.49 is: 9,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.15 : 14,348.65 = 6,622.49 : x
  2. Step 2: Convert to fraction form
    10,394.15/14,348.65 = 6,622.49/x
  3. Step 3: Cross multiply
    10,394.15x = 14,348.65 × 6,622.49
  4. Step 4: Simplify right side
    10,394.15x = 95,023,791.14
  5. Step 5: Solve for x
    x = 95,023,791.14/10,394.15
  6. Step 6: Final answer
    x = 9,142.05

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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.