Home / 13,070.30-19,644.32-6,149.66

Finding the Fourth Proportional to 13,070.30, 19,644.32 and 6,149.66

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Solution

The fourth proportional to 13,070.30, 19,644.32 and 6,149.66 is: 9,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.30 : 19,644.32 = 6,149.66 : x
  2. Step 2: Convert to fraction form
    13,070.30/19,644.32 = 6,149.66/x
  3. Step 3: Cross multiply
    13,070.30x = 19,644.32 × 6,149.66
  4. Step 4: Simplify right side
    13,070.30x = 120,805,806.08
  5. Step 5: Solve for x
    x = 120,805,806.08/13,070.30
  6. Step 6: Final answer
    x = 9,242.78

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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.