Home / 15,886.41-23,842.73-7,991.17

Finding the Fourth Proportional to 15,886.41, 23,842.73 and 7,991.17

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Solution

The fourth proportional to 15,886.41, 23,842.73 and 7,991.17 is: 11,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.41 : 23,842.73 = 7,991.17 : x
  2. Step 2: Convert to fraction form
    15,886.41/23,842.73 = 7,991.17/x
  3. Step 3: Cross multiply
    15,886.41x = 23,842.73 × 7,991.17
  4. Step 4: Simplify right side
    15,886.41x = 190,531,308.69
  5. Step 5: Solve for x
    x = 190,531,308.69/15,886.41
  6. Step 6: Final answer
    x = 11,993.35

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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.