Home / 13,970.46-19,306.89-11,448.59

Finding the Fourth Proportional to 13,970.46, 19,306.89 and 11,448.59

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Solution

The fourth proportional to 13,970.46, 19,306.89 and 11,448.59 is: 15,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.46 : 19,306.89 = 11,448.59 : x
  2. Step 2: Convert to fraction form
    13,970.46/19,306.89 = 11,448.59/x
  3. Step 3: Cross multiply
    13,970.46x = 19,306.89 × 11,448.59
  4. Step 4: Simplify right side
    13,970.46x = 221,036,610.54
  5. Step 5: Solve for x
    x = 221,036,610.54/13,970.46
  6. Step 6: Final answer
    x = 15,821.71

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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.