Home / 10,239.83-15,345.32-8,150.54

Finding the Fourth Proportional to 10,239.83, 15,345.32 and 8,150.54

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Solution

The fourth proportional to 10,239.83, 15,345.32 and 8,150.54 is: 12,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.83 : 15,345.32 = 8,150.54 : x
  2. Step 2: Convert to fraction form
    10,239.83/15,345.32 = 8,150.54/x
  3. Step 3: Cross multiply
    10,239.83x = 15,345.32 × 8,150.54
  4. Step 4: Simplify right side
    10,239.83x = 125,072,526.99
  5. Step 5: Solve for x
    x = 125,072,526.99/10,239.83
  6. Step 6: Final answer
    x = 12,214.32

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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.