Home / 14,119.70-19,505.46-11,283.36

Finding the Fourth Proportional to 14,119.70, 19,505.46 and 11,283.36

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Solution

The fourth proportional to 14,119.70, 19,505.46 and 11,283.36 is: 15,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.70 : 19,505.46 = 11,283.36 : x
  2. Step 2: Convert to fraction form
    14,119.70/19,505.46 = 11,283.36/x
  3. Step 3: Cross multiply
    14,119.70x = 19,505.46 × 11,283.36
  4. Step 4: Simplify right side
    14,119.70x = 220,087,169.46
  5. Step 5: Solve for x
    x = 220,087,169.46/14,119.70
  6. Step 6: Final answer
    x = 15,587.24

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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.