Home / 14,115.34-21,173.19-5,347.90

Finding the Fourth Proportional to 14,115.34, 21,173.19 and 5,347.90

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Solution

The fourth proportional to 14,115.34, 21,173.19 and 5,347.90 is: 8,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.34 : 21,173.19 = 5,347.90 : x
  2. Step 2: Convert to fraction form
    14,115.34/21,173.19 = 5,347.90/x
  3. Step 3: Cross multiply
    14,115.34x = 21,173.19 × 5,347.90
  4. Step 4: Simplify right side
    14,115.34x = 113,232,102.80
  5. Step 5: Solve for x
    x = 113,232,102.80/14,115.34
  6. Step 6: Final answer
    x = 8,021.92

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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.