Home / 13,923.33-19,239.62-10,139.91

Finding the Fourth Proportional to 13,923.33, 19,239.62 and 10,139.91

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Solution

The fourth proportional to 13,923.33, 19,239.62 and 10,139.91 is: 14,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.33 : 19,239.62 = 10,139.91 : x
  2. Step 2: Convert to fraction form
    13,923.33/19,239.62 = 10,139.91/x
  3. Step 3: Cross multiply
    13,923.33x = 19,239.62 × 10,139.91
  4. Step 4: Simplify right side
    13,923.33x = 195,087,964.53
  5. Step 5: Solve for x
    x = 195,087,964.53/13,923.33
  6. Step 6: Final answer
    x = 14,011.59

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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.