Home / 8,434.10-12,631.70-5,505.14

Finding the Fourth Proportional to 8,434.10, 12,631.70 and 5,505.14

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Solution

The fourth proportional to 8,434.10, 12,631.70 and 5,505.14 is: 8,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.10 : 12,631.70 = 5,505.14 : x
  2. Step 2: Convert to fraction form
    8,434.10/12,631.70 = 5,505.14/x
  3. Step 3: Cross multiply
    8,434.10x = 12,631.70 × 5,505.14
  4. Step 4: Simplify right side
    8,434.10x = 69,539,276.94
  5. Step 5: Solve for x
    x = 69,539,276.94/8,434.10
  6. Step 6: Final answer
    x = 8,245.01

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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.