Home / 14,438.79-21,665.07-7,864.83

Finding the Fourth Proportional to 14,438.79, 21,665.07 and 7,864.83

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Solution

The fourth proportional to 14,438.79, 21,665.07 and 7,864.83 is: 11,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.79 : 21,665.07 = 7,864.83 : x
  2. Step 2: Convert to fraction form
    14,438.79/21,665.07 = 7,864.83/x
  3. Step 3: Cross multiply
    14,438.79x = 21,665.07 × 7,864.83
  4. Step 4: Simplify right side
    14,438.79x = 170,392,092.49
  5. Step 5: Solve for x
    x = 170,392,092.49/14,438.79
  6. Step 6: Final answer
    x = 11,801.00

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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.