Home / 10,145.08-13,999.62-5,953

Finding the Fourth Proportional to 10,145.08, 13,999.62 and 5,953

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Solution

The fourth proportional to 10,145.08, 13,999.62 and 5,953 is: 8,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.08 : 13,999.62 = 5,953 : x
  2. Step 2: Convert to fraction form
    10,145.08/13,999.62 = 5,953/x
  3. Step 3: Cross multiply
    10,145.08x = 13,999.62 × 5,953
  4. Step 4: Simplify right side
    10,145.08x = 83,339,737.86
  5. Step 5: Solve for x
    x = 83,339,737.86/10,145.08
  6. Step 6: Final answer
    x = 8,214.79

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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.