Home / 10,203.28-14,080.15-5,727.22

Finding the Fourth Proportional to 10,203.28, 14,080.15 and 5,727.22

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Solution

The fourth proportional to 10,203.28, 14,080.15 and 5,727.22 is: 7,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.28 : 14,080.15 = 5,727.22 : x
  2. Step 2: Convert to fraction form
    10,203.28/14,080.15 = 5,727.22/x
  3. Step 3: Cross multiply
    10,203.28x = 14,080.15 × 5,727.22
  4. Step 4: Simplify right side
    10,203.28x = 80,640,116.68
  5. Step 5: Solve for x
    x = 80,640,116.68/10,203.28
  6. Step 6: Final answer
    x = 7,903.35

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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.