Home / 14,108.93-19,469.59-8,140.25

Finding the Fourth Proportional to 14,108.93, 19,469.59 and 8,140.25

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Solution

The fourth proportional to 14,108.93, 19,469.59 and 8,140.25 is: 11,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.93 : 19,469.59 = 8,140.25 : x
  2. Step 2: Convert to fraction form
    14,108.93/19,469.59 = 8,140.25/x
  3. Step 3: Cross multiply
    14,108.93x = 19,469.59 × 8,140.25
  4. Step 4: Simplify right side
    14,108.93x = 158,487,330.00
  5. Step 5: Solve for x
    x = 158,487,330.00/14,108.93
  6. Step 6: Final answer
    x = 11,233.12

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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.