Home / 10,291.86-14,197.68-6,930.36

Finding the Fourth Proportional to 10,291.86, 14,197.68 and 6,930.36

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Solution

The fourth proportional to 10,291.86, 14,197.68 and 6,930.36 is: 9,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.86 : 14,197.68 = 6,930.36 : x
  2. Step 2: Convert to fraction form
    10,291.86/14,197.68 = 6,930.36/x
  3. Step 3: Cross multiply
    10,291.86x = 14,197.68 × 6,930.36
  4. Step 4: Simplify right side
    10,291.86x = 98,395,033.56
  5. Step 5: Solve for x
    x = 98,395,033.56/10,291.86
  6. Step 6: Final answer
    x = 9,560.47

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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.