Home / 14,087.36-21,151.86-7,859.54

Finding the Fourth Proportional to 14,087.36, 21,151.86 and 7,859.54

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Solution

The fourth proportional to 14,087.36, 21,151.86 and 7,859.54 is: 11,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.36 : 21,151.86 = 7,859.54 : x
  2. Step 2: Convert to fraction form
    14,087.36/21,151.86 = 7,859.54/x
  3. Step 3: Cross multiply
    14,087.36x = 21,151.86 × 7,859.54
  4. Step 4: Simplify right side
    14,087.36x = 166,243,889.74
  5. Step 5: Solve for x
    x = 166,243,889.74/14,087.36
  6. Step 6: Final answer
    x = 11,800.93

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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.