Home / 13,531.69-20,297.54-4,764.59

Finding the Fourth Proportional to 13,531.69, 20,297.54 and 4,764.59

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Solution

The fourth proportional to 13,531.69, 20,297.54 and 4,764.59 is: 7,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.69 : 20,297.54 = 4,764.59 : x
  2. Step 2: Convert to fraction form
    13,531.69/20,297.54 = 4,764.59/x
  3. Step 3: Cross multiply
    13,531.69x = 20,297.54 × 4,764.59
  4. Step 4: Simplify right side
    13,531.69x = 96,709,456.11
  5. Step 5: Solve for x
    x = 96,709,456.11/13,531.69
  6. Step 6: Final answer
    x = 7,146.89

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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.