Home / 10,203.80-14,080.08-5,726.96

Finding the Fourth Proportional to 10,203.80, 14,080.08 and 5,726.96

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Solution

The fourth proportional to 10,203.80, 14,080.08 and 5,726.96 is: 7,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.80 : 14,080.08 = 5,726.96 : x
  2. Step 2: Convert to fraction form
    10,203.80/14,080.08 = 5,726.96/x
  3. Step 3: Cross multiply
    10,203.80x = 14,080.08 × 5,726.96
  4. Step 4: Simplify right side
    10,203.80x = 80,636,054.96
  5. Step 5: Solve for x
    x = 80,636,054.96/10,203.80
  6. Step 6: Final answer
    x = 7,902.55

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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.