Home / 10,727.28-14,804.70-6,190.20

Finding the Fourth Proportional to 10,727.28, 14,804.70 and 6,190.20

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Solution

The fourth proportional to 10,727.28, 14,804.70 and 6,190.20 is: 8,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.28 : 14,804.70 = 6,190.20 : x
  2. Step 2: Convert to fraction form
    10,727.28/14,804.70 = 6,190.20/x
  3. Step 3: Cross multiply
    10,727.28x = 14,804.70 × 6,190.20
  4. Step 4: Simplify right side
    10,727.28x = 91,644,053.94
  5. Step 5: Solve for x
    x = 91,644,053.94/10,727.28
  6. Step 6: Final answer
    x = 8,543.08

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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.