Home / 18,338.74-27,483.27-13,133.14

Finding the Fourth Proportional to 18,338.74, 27,483.27 and 13,133.14

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Solution

The fourth proportional to 18,338.74, 27,483.27 and 13,133.14 is: 19,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.74 : 27,483.27 = 13,133.14 : x
  2. Step 2: Convert to fraction form
    18,338.74/27,483.27 = 13,133.14/x
  3. Step 3: Cross multiply
    18,338.74x = 27,483.27 × 13,133.14
  4. Step 4: Simplify right side
    18,338.74x = 360,941,632.57
  5. Step 5: Solve for x
    x = 360,941,632.57/18,338.74
  6. Step 6: Final answer
    x = 19,681.92

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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.