Home / 14,237.64-21,341.25-7,222.82

Finding the Fourth Proportional to 14,237.64, 21,341.25 and 7,222.82

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Solution

The fourth proportional to 14,237.64, 21,341.25 and 7,222.82 is: 10,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.64 : 21,341.25 = 7,222.82 : x
  2. Step 2: Convert to fraction form
    14,237.64/21,341.25 = 7,222.82/x
  3. Step 3: Cross multiply
    14,237.64x = 21,341.25 × 7,222.82
  4. Step 4: Simplify right side
    14,237.64x = 154,143,900.62
  5. Step 5: Solve for x
    x = 154,143,900.62/14,237.64
  6. Step 6: Final answer
    x = 10,826.51

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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.