Home / 10,377.16-14,315.85-6,396.82

Finding the Fourth Proportional to 10,377.16, 14,315.85 and 6,396.82

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Solution

The fourth proportional to 10,377.16, 14,315.85 and 6,396.82 is: 8,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.16 : 14,315.85 = 6,396.82 : x
  2. Step 2: Convert to fraction form
    10,377.16/14,315.85 = 6,396.82/x
  3. Step 3: Cross multiply
    10,377.16x = 14,315.85 × 6,396.82
  4. Step 4: Simplify right side
    10,377.16x = 91,575,915.60
  5. Step 5: Solve for x
    x = 91,575,915.60/10,377.16
  6. Step 6: Final answer
    x = 8,824.76

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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.