Home / 13,299.60-18,349.56-8,267.52

Finding the Fourth Proportional to 13,299.60, 18,349.56 and 8,267.52

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Solution

The fourth proportional to 13,299.60, 18,349.56 and 8,267.52 is: 11,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.60 : 18,349.56 = 8,267.52 : x
  2. Step 2: Convert to fraction form
    13,299.60/18,349.56 = 8,267.52/x
  3. Step 3: Cross multiply
    13,299.60x = 18,349.56 × 8,267.52
  4. Step 4: Simplify right side
    13,299.60x = 151,705,354.29
  5. Step 5: Solve for x
    x = 151,705,354.29/13,299.60
  6. Step 6: Final answer
    x = 11,406.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.