Home / 14,103.90-21,152.86-9,091.26

Finding the Fourth Proportional to 14,103.90, 21,152.86 and 9,091.26

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Solution

The fourth proportional to 14,103.90, 21,152.86 and 9,091.26 is: 13,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.90 : 21,152.86 = 9,091.26 : x
  2. Step 2: Convert to fraction form
    14,103.90/21,152.86 = 9,091.26/x
  3. Step 3: Cross multiply
    14,103.90x = 21,152.86 × 9,091.26
  4. Step 4: Simplify right side
    14,103.90x = 192,306,150.00
  5. Step 5: Solve for x
    x = 192,306,150.00/14,103.90
  6. Step 6: Final answer
    x = 13,634.96

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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.