Home / 14,276.09-21,414.01-11,158.72

Finding the Fourth Proportional to 14,276.09, 21,414.01 and 11,158.72

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Solution

The fourth proportional to 14,276.09, 21,414.01 and 11,158.72 is: 16,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.09 : 21,414.01 = 11,158.72 : x
  2. Step 2: Convert to fraction form
    14,276.09/21,414.01 = 11,158.72/x
  3. Step 3: Cross multiply
    14,276.09x = 21,414.01 × 11,158.72
  4. Step 4: Simplify right side
    14,276.09x = 238,952,834.60
  5. Step 5: Solve for x
    x = 238,952,834.60/14,276.09
  6. Step 6: Final answer
    x = 16,737.98

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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.