Home / 14,213.04-21,319.70-5,445.88

Finding the Fourth Proportional to 14,213.04, 21,319.70 and 5,445.88

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Solution

The fourth proportional to 14,213.04, 21,319.70 and 5,445.88 is: 8,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.04 : 21,319.70 = 5,445.88 : x
  2. Step 2: Convert to fraction form
    14,213.04/21,319.70 = 5,445.88/x
  3. Step 3: Cross multiply
    14,213.04x = 21,319.70 × 5,445.88
  4. Step 4: Simplify right side
    14,213.04x = 116,104,527.84
  5. Step 5: Solve for x
    x = 116,104,527.84/14,213.04
  6. Step 6: Final answer
    x = 8,168.87

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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.