Home / 10,203.60-14,081.64-5,727.66

Finding the Fourth Proportional to 10,203.60, 14,081.64 and 5,727.66

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Solution

The fourth proportional to 10,203.60, 14,081.64 and 5,727.66 is: 7,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.60 : 14,081.64 = 5,727.66 : x
  2. Step 2: Convert to fraction form
    10,203.60/14,081.64 = 5,727.66/x
  3. Step 3: Cross multiply
    10,203.60x = 14,081.64 × 5,727.66
  4. Step 4: Simplify right side
    10,203.60x = 80,654,846.16
  5. Step 5: Solve for x
    x = 80,654,846.16/10,203.60
  6. Step 6: Final answer
    x = 7,904.55

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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.