Home / 13,335.36-19,996.19-7,799.52

Finding the Fourth Proportional to 13,335.36, 19,996.19 and 7,799.52

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Solution

The fourth proportional to 13,335.36, 19,996.19 and 7,799.52 is: 11,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.36 : 19,996.19 = 7,799.52 : x
  2. Step 2: Convert to fraction form
    13,335.36/19,996.19 = 7,799.52/x
  3. Step 3: Cross multiply
    13,335.36x = 19,996.19 × 7,799.52
  4. Step 4: Simplify right side
    13,335.36x = 155,960,683.83
  5. Step 5: Solve for x
    x = 155,960,683.83/13,335.36
  6. Step 6: Final answer
    x = 11,695.27

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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.