Home / 14,500.13-21,712.37-7,912.71

Finding the Fourth Proportional to 14,500.13, 21,712.37 and 7,912.71

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Solution

The fourth proportional to 14,500.13, 21,712.37 and 7,912.71 is: 11,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.13 : 21,712.37 = 7,912.71 : x
  2. Step 2: Convert to fraction form
    14,500.13/21,712.37 = 7,912.71/x
  3. Step 3: Cross multiply
    14,500.13x = 21,712.37 × 7,912.71
  4. Step 4: Simplify right side
    14,500.13x = 171,803,647.66
  5. Step 5: Solve for x
    x = 171,803,647.66/14,500.13
  6. Step 6: Final answer
    x = 11,848.43

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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.