Home / 14,652.72-20,220.77-8,601.78

Finding the Fourth Proportional to 14,652.72, 20,220.77 and 8,601.78

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Solution

The fourth proportional to 14,652.72, 20,220.77 and 8,601.78 is: 11,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.72 : 20,220.77 = 8,601.78 : x
  2. Step 2: Convert to fraction form
    14,652.72/20,220.77 = 8,601.78/x
  3. Step 3: Cross multiply
    14,652.72x = 20,220.77 × 8,601.78
  4. Step 4: Simplify right side
    14,652.72x = 173,934,496.13
  5. Step 5: Solve for x
    x = 173,934,496.13/14,652.72
  6. Step 6: Final answer
    x = 11,870.46

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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.