Home / 10,123.71-15,186.45-2,727.99

Finding the Fourth Proportional to 10,123.71, 15,186.45 and 2,727.99

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Solution

The fourth proportional to 10,123.71, 15,186.45 and 2,727.99 is: 4,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.71 : 15,186.45 = 2,727.99 : x
  2. Step 2: Convert to fraction form
    10,123.71/15,186.45 = 2,727.99/x
  3. Step 3: Cross multiply
    10,123.71x = 15,186.45 × 2,727.99
  4. Step 4: Simplify right side
    10,123.71x = 41,428,483.74
  5. Step 5: Solve for x
    x = 41,428,483.74/10,123.71
  6. Step 6: Final answer
    x = 4,092.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.