Home / 14,415.18-21,622.77-6,630.54

Finding the Fourth Proportional to 14,415.18, 21,622.77 and 6,630.54

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Solution

The fourth proportional to 14,415.18, 21,622.77 and 6,630.54 is: 9,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.18 : 21,622.77 = 6,630.54 : x
  2. Step 2: Convert to fraction form
    14,415.18/21,622.77 = 6,630.54/x
  3. Step 3: Cross multiply
    14,415.18x = 21,622.77 × 6,630.54
  4. Step 4: Simplify right side
    14,415.18x = 143,370,641.40
  5. Step 5: Solve for x
    x = 143,370,641.40/14,415.18
  6. Step 6: Final answer
    x = 9,945.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.