Home / 13,765.08-20,630.70-6,359.52

Finding the Fourth Proportional to 13,765.08, 20,630.70 and 6,359.52

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Solution

The fourth proportional to 13,765.08, 20,630.70 and 6,359.52 is: 9,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.08 : 20,630.70 = 6,359.52 : x
  2. Step 2: Convert to fraction form
    13,765.08/20,630.70 = 6,359.52/x
  3. Step 3: Cross multiply
    13,765.08x = 20,630.70 × 6,359.52
  4. Step 4: Simplify right side
    13,765.08x = 131,201,349.26
  5. Step 5: Solve for x
    x = 131,201,349.26/13,765.08
  6. Step 6: Final answer
    x = 9,531.46

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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.