Home / 10,509.08-15,749.22-10,193.72

Finding the Fourth Proportional to 10,509.08, 15,749.22 and 10,193.72

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Solution

The fourth proportional to 10,509.08, 15,749.22 and 10,193.72 is: 15,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.08 : 15,749.22 = 10,193.72 : x
  2. Step 2: Convert to fraction form
    10,509.08/15,749.22 = 10,193.72/x
  3. Step 3: Cross multiply
    10,509.08x = 15,749.22 × 10,193.72
  4. Step 4: Simplify right side
    10,509.08x = 160,543,138.90
  5. Step 5: Solve for x
    x = 160,543,138.90/10,509.08
  6. Step 6: Final answer
    x = 15,276.61

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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.