Home / 11,645.32-16,070.32-6,340.24

Finding the Fourth Proportional to 11,645.32, 16,070.32 and 6,340.24

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Solution

The fourth proportional to 11,645.32, 16,070.32 and 6,340.24 is: 8,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.32 : 16,070.32 = 6,340.24 : x
  2. Step 2: Convert to fraction form
    11,645.32/16,070.32 = 6,340.24/x
  3. Step 3: Cross multiply
    11,645.32x = 16,070.32 × 6,340.24
  4. Step 4: Simplify right side
    11,645.32x = 101,889,685.68
  5. Step 5: Solve for x
    x = 101,889,685.68/11,645.32
  6. Step 6: Final answer
    x = 8,749.41

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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.