Home / 11,645.20-16,070.48-6,340.04

Finding the Fourth Proportional to 11,645.20, 16,070.48 and 6,340.04

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Solution

The fourth proportional to 11,645.20, 16,070.48 and 6,340.04 is: 8,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.20 : 16,070.48 = 6,340.04 : x
  2. Step 2: Convert to fraction form
    11,645.20/16,070.48 = 6,340.04/x
  3. Step 3: Cross multiply
    11,645.20x = 16,070.48 × 6,340.04
  4. Step 4: Simplify right side
    11,645.20x = 101,887,486.02
  5. Step 5: Solve for x
    x = 101,887,486.02/11,645.20
  6. Step 6: Final answer
    x = 8,749.31

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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.