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Finding the Fourth Proportional to 10,339.59, 15,509.02 and 2,944.09

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Solution

The fourth proportional to 10,339.59, 15,509.02 and 2,944.09 is: 4,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.59 : 15,509.02 = 2,944.09 : x
  2. Step 2: Convert to fraction form
    10,339.59/15,509.02 = 2,944.09/x
  3. Step 3: Cross multiply
    10,339.59x = 15,509.02 × 2,944.09
  4. Step 4: Simplify right side
    10,339.59x = 45,659,950.69
  5. Step 5: Solve for x
    x = 45,659,950.69/10,339.59
  6. Step 6: Final answer
    x = 4,416.03

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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.