Home / 14,243.11-21,357.32-8,331.53

Finding the Fourth Proportional to 14,243.11, 21,357.32 and 8,331.53

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Solution

The fourth proportional to 14,243.11, 21,357.32 and 8,331.53 is: 12,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.11 : 21,357.32 = 8,331.53 : x
  2. Step 2: Convert to fraction form
    14,243.11/21,357.32 = 8,331.53/x
  3. Step 3: Cross multiply
    14,243.11x = 21,357.32 × 8,331.53
  4. Step 4: Simplify right side
    14,243.11x = 177,939,152.30
  5. Step 5: Solve for x
    x = 177,939,152.30/14,243.11
  6. Step 6: Final answer
    x = 12,493.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.