Home / 12,322.92-18,400.71-9,795.72

Finding the Fourth Proportional to 12,322.92, 18,400.71 and 9,795.72

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Solution

The fourth proportional to 12,322.92, 18,400.71 and 9,795.72 is: 14,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.92 : 18,400.71 = 9,795.72 : x
  2. Step 2: Convert to fraction form
    12,322.92/18,400.71 = 9,795.72/x
  3. Step 3: Cross multiply
    12,322.92x = 18,400.71 × 9,795.72
  4. Step 4: Simplify right side
    12,322.92x = 180,248,202.96
  5. Step 5: Solve for x
    x = 180,248,202.96/12,322.92
  6. Step 6: Final answer
    x = 14,627.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.