Home / 10,292.42-14,198.32-6,509.21

Finding the Fourth Proportional to 10,292.42, 14,198.32 and 6,509.21

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Solution

The fourth proportional to 10,292.42, 14,198.32 and 6,509.21 is: 8,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.42 : 14,198.32 = 6,509.21 : x
  2. Step 2: Convert to fraction form
    10,292.42/14,198.32 = 6,509.21/x
  3. Step 3: Cross multiply
    10,292.42x = 14,198.32 × 6,509.21
  4. Step 4: Simplify right side
    10,292.42x = 92,419,846.53
  5. Step 5: Solve for x
    x = 92,419,846.53/10,292.42
  6. Step 6: Final answer
    x = 8,979.41

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Half scale
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Double scale
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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.