Home / 21,057.33-31,571.40-9,364.17

Finding the Fourth Proportional to 21,057.33, 31,571.40 and 9,364.17

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Solution

The fourth proportional to 21,057.33, 31,571.40 and 9,364.17 is: 14,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.33 : 31,571.40 = 9,364.17 : x
  2. Step 2: Convert to fraction form
    21,057.33/31,571.40 = 9,364.17/x
  3. Step 3: Cross multiply
    21,057.33x = 31,571.40 × 9,364.17
  4. Step 4: Simplify right side
    21,057.33x = 295,639,956.74
  5. Step 5: Solve for x
    x = 295,639,956.74/21,057.33
  6. Step 6: Final answer
    x = 14,039.76

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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.