Home / 10,117.42-13,961.72-6,342.64

Finding the Fourth Proportional to 10,117.42, 13,961.72 and 6,342.64

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Solution

The fourth proportional to 10,117.42, 13,961.72 and 6,342.64 is: 8,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.42 : 13,961.72 = 6,342.64 : x
  2. Step 2: Convert to fraction form
    10,117.42/13,961.72 = 6,342.64/x
  3. Step 3: Cross multiply
    10,117.42x = 13,961.72 × 6,342.64
  4. Step 4: Simplify right side
    10,117.42x = 88,554,167.92
  5. Step 5: Solve for x
    x = 88,554,167.92/10,117.42
  6. Step 6: Final answer
    x = 8,752.64

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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.