Home / 21,243.04-31,868.58-10,150.60

Finding the Fourth Proportional to 21,243.04, 31,868.58 and 10,150.60

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Solution

The fourth proportional to 21,243.04, 31,868.58 and 10,150.60 is: 15,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,243.04 : 31,868.58 = 10,150.60 : x
  2. Step 2: Convert to fraction form
    21,243.04/31,868.58 = 10,150.60/x
  3. Step 3: Cross multiply
    21,243.04x = 31,868.58 × 10,150.60
  4. Step 4: Simplify right side
    21,243.04x = 323,485,208.15
  5. Step 5: Solve for x
    x = 323,485,208.15/21,243.04
  6. Step 6: Final answer
    x = 15,227.82

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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.