Home / 14,759.08-20,365.34-8,790.60

Finding the Fourth Proportional to 14,759.08, 20,365.34 and 8,790.60

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Solution

The fourth proportional to 14,759.08, 20,365.34 and 8,790.60 is: 12,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.08 : 20,365.34 = 8,790.60 : x
  2. Step 2: Convert to fraction form
    14,759.08/20,365.34 = 8,790.60/x
  3. Step 3: Cross multiply
    14,759.08x = 20,365.34 × 8,790.60
  4. Step 4: Simplify right side
    14,759.08x = 179,023,557.80
  5. Step 5: Solve for x
    x = 179,023,557.80/14,759.08
  6. Step 6: Final answer
    x = 12,129.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.