Home / 13,531.86-20,297.79-4,764.69

Finding the Fourth Proportional to 13,531.86, 20,297.79 and 4,764.69

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Solution

The fourth proportional to 13,531.86, 20,297.79 and 4,764.69 is: 7,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.86 : 20,297.79 = 4,764.69 : x
  2. Step 2: Convert to fraction form
    13,531.86/20,297.79 = 4,764.69/x
  3. Step 3: Cross multiply
    13,531.86x = 20,297.79 × 4,764.69
  4. Step 4: Simplify right side
    13,531.86x = 96,712,677.04
  5. Step 5: Solve for x
    x = 96,712,677.04/13,531.86
  6. Step 6: Final answer
    x = 7,147.04

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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.