Home / 14,021.66-19,350.34-8,054.53

Finding the Fourth Proportional to 14,021.66, 19,350.34 and 8,054.53

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Solution

The fourth proportional to 14,021.66, 19,350.34 and 8,054.53 is: 11,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.66 : 19,350.34 = 8,054.53 : x
  2. Step 2: Convert to fraction form
    14,021.66/19,350.34 = 8,054.53/x
  3. Step 3: Cross multiply
    14,021.66x = 19,350.34 × 8,054.53
  4. Step 4: Simplify right side
    14,021.66x = 155,857,825.53
  5. Step 5: Solve for x
    x = 155,857,825.53/14,021.66
  6. Step 6: Final answer
    x = 11,115.50

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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.