Home / 10,090.80-13,925.70-6,109.66

Finding the Fourth Proportional to 10,090.80, 13,925.70 and 6,109.66

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Solution

The fourth proportional to 10,090.80, 13,925.70 and 6,109.66 is: 8,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.80 : 13,925.70 = 6,109.66 : x
  2. Step 2: Convert to fraction form
    10,090.80/13,925.70 = 6,109.66/x
  3. Step 3: Cross multiply
    10,090.80x = 13,925.70 × 6,109.66
  4. Step 4: Simplify right side
    10,090.80x = 85,081,292.26
  5. Step 5: Solve for x
    x = 85,081,292.26/10,090.80
  6. Step 6: Final answer
    x = 8,431.57

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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.