Home / 20,393.90-30,587.54-5,599.36

Finding the Fourth Proportional to 20,393.90, 30,587.54 and 5,599.36

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Solution

The fourth proportional to 20,393.90, 30,587.54 and 5,599.36 is: 8,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.90 : 30,587.54 = 5,599.36 : x
  2. Step 2: Convert to fraction form
    20,393.90/30,587.54 = 5,599.36/x
  3. Step 3: Cross multiply
    20,393.90x = 30,587.54 × 5,599.36
  4. Step 4: Simplify right side
    20,393.90x = 171,270,647.97
  5. Step 5: Solve for x
    x = 171,270,647.97/20,393.90
  6. Step 6: Final answer
    x = 8,398.13

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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.