Home / 13,308.30-19,959.05-3,946.13

Finding the Fourth Proportional to 13,308.30, 19,959.05 and 3,946.13

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Solution

The fourth proportional to 13,308.30, 19,959.05 and 3,946.13 is: 5,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.30 : 19,959.05 = 3,946.13 : x
  2. Step 2: Convert to fraction form
    13,308.30/19,959.05 = 3,946.13/x
  3. Step 3: Cross multiply
    13,308.30x = 19,959.05 × 3,946.13
  4. Step 4: Simplify right side
    13,308.30x = 78,761,036.14
  5. Step 5: Solve for x
    x = 78,761,036.14/13,308.30
  6. Step 6: Final answer
    x = 5,918.19

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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.