Home / 11,645.08-16,070.24-6,339.88

Finding the Fourth Proportional to 11,645.08, 16,070.24 and 6,339.88

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Solution

The fourth proportional to 11,645.08, 16,070.24 and 6,339.88 is: 8,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.08 : 16,070.24 = 6,339.88 : x
  2. Step 2: Convert to fraction form
    11,645.08/16,070.24 = 6,339.88/x
  3. Step 3: Cross multiply
    11,645.08x = 16,070.24 × 6,339.88
  4. Step 4: Simplify right side
    11,645.08x = 101,883,393.17
  5. Step 5: Solve for x
    x = 101,883,393.17/11,645.08
  6. Step 6: Final answer
    x = 8,749.05

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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.