Home / 10,909.42-15,055.77-6,194.00

Finding the Fourth Proportional to 10,909.42, 15,055.77 and 6,194.00

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Solution

The fourth proportional to 10,909.42, 15,055.77 and 6,194.00 is: 8,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.42 : 15,055.77 = 6,194.00 : x
  2. Step 2: Convert to fraction form
    10,909.42/15,055.77 = 6,194.00/x
  3. Step 3: Cross multiply
    10,909.42x = 15,055.77 × 6,194.00
  4. Step 4: Simplify right side
    10,909.42x = 93,255,500.25
  5. Step 5: Solve for x
    x = 93,255,500.25/10,909.42
  6. Step 6: Final answer
    x = 8,548.16

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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.