Home / 10,811.88-14,916.96-6,334.20

Finding the Fourth Proportional to 10,811.88, 14,916.96 and 6,334.20

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Solution

The fourth proportional to 10,811.88, 14,916.96 and 6,334.20 is: 8,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.88 : 14,916.96 = 6,334.20 : x
  2. Step 2: Convert to fraction form
    10,811.88/14,916.96 = 6,334.20/x
  3. Step 3: Cross multiply
    10,811.88x = 14,916.96 × 6,334.20
  4. Step 4: Simplify right side
    10,811.88x = 94,487,008.03
  5. Step 5: Solve for x
    x = 94,487,008.03/10,811.88
  6. Step 6: Final answer
    x = 8,739.18

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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.