Home / 12,212.37-18,285.75-10,047.24

Finding the Fourth Proportional to 12,212.37, 18,285.75 and 10,047.24

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Solution

The fourth proportional to 12,212.37, 18,285.75 and 10,047.24 is: 15,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.37 : 18,285.75 = 10,047.24 : x
  2. Step 2: Convert to fraction form
    12,212.37/18,285.75 = 10,047.24/x
  3. Step 3: Cross multiply
    12,212.37x = 18,285.75 × 10,047.24
  4. Step 4: Simplify right side
    12,212.37x = 183,721,318.83
  5. Step 5: Solve for x
    x = 183,721,318.83/12,212.37
  6. Step 6: Final answer
    x = 15,043.87

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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.