Home / 14,431.50-19,923.74-11,001.57

Finding the Fourth Proportional to 14,431.50, 19,923.74 and 11,001.57

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Solution

The fourth proportional to 14,431.50, 19,923.74 and 11,001.57 is: 15,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.50 : 19,923.74 = 11,001.57 : x
  2. Step 2: Convert to fraction form
    14,431.50/19,923.74 = 11,001.57/x
  3. Step 3: Cross multiply
    14,431.50x = 19,923.74 × 11,001.57
  4. Step 4: Simplify right side
    14,431.50x = 219,192,365.26
  5. Step 5: Solve for x
    x = 219,192,365.26/14,431.50
  6. Step 6: Final answer
    x = 15,188.47

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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.