Home / 14,104.53-21,156.84-5,783.13

Finding the Fourth Proportional to 14,104.53, 21,156.84 and 5,783.13

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Solution

The fourth proportional to 14,104.53, 21,156.84 and 5,783.13 is: 8,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.53 : 21,156.84 = 5,783.13 : x
  2. Step 2: Convert to fraction form
    14,104.53/21,156.84 = 5,783.13/x
  3. Step 3: Cross multiply
    14,104.53x = 21,156.84 × 5,783.13
  4. Step 4: Simplify right side
    14,104.53x = 122,352,756.11
  5. Step 5: Solve for x
    x = 122,352,756.11/14,104.53
  6. Step 6: Final answer
    x = 8,674.71

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Double scale
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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.