Home / 14,423.43-21,630.96-5,538.15

Finding the Fourth Proportional to 14,423.43, 21,630.96 and 5,538.15

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Solution

The fourth proportional to 14,423.43, 21,630.96 and 5,538.15 is: 8,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.43 : 21,630.96 = 5,538.15 : x
  2. Step 2: Convert to fraction form
    14,423.43/21,630.96 = 5,538.15/x
  3. Step 3: Cross multiply
    14,423.43x = 21,630.96 × 5,538.15
  4. Step 4: Simplify right side
    14,423.43x = 119,795,501.12
  5. Step 5: Solve for x
    x = 119,795,501.12/14,423.43
  6. Step 6: Final answer
    x = 8,305.62

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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.