Home / 18,189.19-27,283.58-5,041.07

Finding the Fourth Proportional to 18,189.19, 27,283.58 and 5,041.07

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Solution

The fourth proportional to 18,189.19, 27,283.58 and 5,041.07 is: 7,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.19 : 27,283.58 = 5,041.07 : x
  2. Step 2: Convert to fraction form
    18,189.19/27,283.58 = 5,041.07/x
  3. Step 3: Cross multiply
    18,189.19x = 27,283.58 × 5,041.07
  4. Step 4: Simplify right side
    18,189.19x = 137,538,411.43
  5. Step 5: Solve for x
    x = 137,538,411.43/18,189.19
  6. Step 6: Final answer
    x = 7,561.55

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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.