Home / 20,064.58-30,087.52-8,971.36

Finding the Fourth Proportional to 20,064.58, 30,087.52 and 8,971.36

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Solution

The fourth proportional to 20,064.58, 30,087.52 and 8,971.36 is: 13,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.58 : 30,087.52 = 8,971.36 : x
  2. Step 2: Convert to fraction form
    20,064.58/30,087.52 = 8,971.36/x
  3. Step 3: Cross multiply
    20,064.58x = 30,087.52 × 8,971.36
  4. Step 4: Simplify right side
    20,064.58x = 269,925,875.78
  5. Step 5: Solve for x
    x = 269,925,875.78/20,064.58
  6. Step 6: Final answer
    x = 13,452.86

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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.