Home / 15,348.15-21,180.23-8,633.77

Finding the Fourth Proportional to 15,348.15, 21,180.23 and 8,633.77

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Solution

The fourth proportional to 15,348.15, 21,180.23 and 8,633.77 is: 11,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.15 : 21,180.23 = 8,633.77 : x
  2. Step 2: Convert to fraction form
    15,348.15/21,180.23 = 8,633.77/x
  3. Step 3: Cross multiply
    15,348.15x = 21,180.23 × 8,633.77
  4. Step 4: Simplify right side
    15,348.15x = 182,865,203.00
  5. Step 5: Solve for x
    x = 182,865,203.00/15,348.15
  6. Step 6: Final answer
    x = 11,914.48

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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.