Home / 14,633.08-20,191.48-8,887.55

Finding the Fourth Proportional to 14,633.08, 20,191.48 and 8,887.55

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Solution

The fourth proportional to 14,633.08, 20,191.48 and 8,887.55 is: 12,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.08 : 20,191.48 = 8,887.55 : x
  2. Step 2: Convert to fraction form
    14,633.08/20,191.48 = 8,887.55/x
  3. Step 3: Cross multiply
    14,633.08x = 20,191.48 × 8,887.55
  4. Step 4: Simplify right side
    14,633.08x = 179,452,659.34
  5. Step 5: Solve for x
    x = 179,452,659.34/14,633.08
  6. Step 6: Final answer
    x = 12,263.49

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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.