Home / 14,213.20-21,314.40-4,349.20

Finding the Fourth Proportional to 14,213.20, 21,314.40 and 4,349.20

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Solution

The fourth proportional to 14,213.20, 21,314.40 and 4,349.20 is: 6,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.20 : 21,314.40 = 4,349.20 : x
  2. Step 2: Convert to fraction form
    14,213.20/21,314.40 = 4,349.20/x
  3. Step 3: Cross multiply
    14,213.20x = 21,314.40 × 4,349.20
  4. Step 4: Simplify right side
    14,213.20x = 92,700,588.48
  5. Step 5: Solve for x
    x = 92,700,588.48/14,213.20
  6. Step 6: Final answer
    x = 6,522.15

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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.