Home / 21,223.68-31,824.57-9,526.89

Finding the Fourth Proportional to 21,223.68, 31,824.57 and 9,526.89

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Solution

The fourth proportional to 21,223.68, 31,824.57 and 9,526.89 is: 14,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223.68 : 31,824.57 = 9,526.89 : x
  2. Step 2: Convert to fraction form
    21,223.68/31,824.57 = 9,526.89/x
  3. Step 3: Cross multiply
    21,223.68x = 31,824.57 × 9,526.89
  4. Step 4: Simplify right side
    21,223.68x = 303,189,177.69
  5. Step 5: Solve for x
    x = 303,189,177.69/21,223.68
  6. Step 6: Final answer
    x = 14,285.42

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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.