Home / 13,116.33-19,660.59-8,946

Finding the Fourth Proportional to 13,116.33, 19,660.59 and 8,946

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Solution

The fourth proportional to 13,116.33, 19,660.59 and 8,946 is: 13,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.33 : 19,660.59 = 8,946 : x
  2. Step 2: Convert to fraction form
    13,116.33/19,660.59 = 8,946/x
  3. Step 3: Cross multiply
    13,116.33x = 19,660.59 × 8,946
  4. Step 4: Simplify right side
    13,116.33x = 175,883,638.14
  5. Step 5: Solve for x
    x = 175,883,638.14/13,116.33
  6. Step 6: Final answer
    x = 13,409.52

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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.