Home / 14,261.40-21,392.10-11,323.80

Finding the Fourth Proportional to 14,261.40, 21,392.10 and 11,323.80

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Solution

The fourth proportional to 14,261.40, 21,392.10 and 11,323.80 is: 16,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.40 : 21,392.10 = 11,323.80 : x
  2. Step 2: Convert to fraction form
    14,261.40/21,392.10 = 11,323.80/x
  3. Step 3: Cross multiply
    14,261.40x = 21,392.10 × 11,323.80
  4. Step 4: Simplify right side
    14,261.40x = 242,239,861.98
  5. Step 5: Solve for x
    x = 242,239,861.98/14,261.40
  6. Step 6: Final answer
    x = 16,985.70

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Similar ratio
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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.