Home / 13,445.72-20,174.36-4,675.86

Finding the Fourth Proportional to 13,445.72, 20,174.36 and 4,675.86

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Solution

The fourth proportional to 13,445.72, 20,174.36 and 4,675.86 is: 7,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.72 : 20,174.36 = 4,675.86 : x
  2. Step 2: Convert to fraction form
    13,445.72/20,174.36 = 4,675.86/x
  3. Step 3: Cross multiply
    13,445.72x = 20,174.36 × 4,675.86
  4. Step 4: Simplify right side
    13,445.72x = 94,332,482.95
  5. Step 5: Solve for x
    x = 94,332,482.95/13,445.72
  6. Step 6: Final answer
    x = 7,015.80

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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.