Home / 10,649.26-14,695.26-6,397.80

Finding the Fourth Proportional to 10,649.26, 14,695.26 and 6,397.80

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Solution

The fourth proportional to 10,649.26, 14,695.26 and 6,397.80 is: 8,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.26 : 14,695.26 = 6,397.80 : x
  2. Step 2: Convert to fraction form
    10,649.26/14,695.26 = 6,397.80/x
  3. Step 3: Cross multiply
    10,649.26x = 14,695.26 × 6,397.80
  4. Step 4: Simplify right side
    10,649.26x = 94,017,334.43
  5. Step 5: Solve for x
    x = 94,017,334.43/10,649.26
  6. Step 6: Final answer
    x = 8,828.53

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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.