Home / 14,999.15-20,701.47-8,625.24

Finding the Fourth Proportional to 14,999.15, 20,701.47 and 8,625.24

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Solution

The fourth proportional to 14,999.15, 20,701.47 and 8,625.24 is: 11,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.15 : 20,701.47 = 8,625.24 : x
  2. Step 2: Convert to fraction form
    14,999.15/20,701.47 = 8,625.24/x
  3. Step 3: Cross multiply
    14,999.15x = 20,701.47 × 8,625.24
  4. Step 4: Simplify right side
    14,999.15x = 178,555,147.10
  5. Step 5: Solve for x
    x = 178,555,147.10/14,999.15
  6. Step 6: Final answer
    x = 11,904.36

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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.