Home / 18,926.37-28,340.31-10,118.22

Finding the Fourth Proportional to 18,926.37, 28,340.31 and 10,118.22

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Solution

The fourth proportional to 18,926.37, 28,340.31 and 10,118.22 is: 15,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.37 : 28,340.31 = 10,118.22 : x
  2. Step 2: Convert to fraction form
    18,926.37/28,340.31 = 10,118.22/x
  3. Step 3: Cross multiply
    18,926.37x = 28,340.31 × 10,118.22
  4. Step 4: Simplify right side
    18,926.37x = 286,753,491.45
  5. Step 5: Solve for x
    x = 286,753,491.45/18,926.37
  6. Step 6: Final answer
    x = 15,151.00

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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.