Home / 12,411.99-18,622.80-9,806.76

Finding the Fourth Proportional to 12,411.99, 18,622.80 and 9,806.76

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Solution

The fourth proportional to 12,411.99, 18,622.80 and 9,806.76 is: 14,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.99 : 18,622.80 = 9,806.76 : x
  2. Step 2: Convert to fraction form
    12,411.99/18,622.80 = 9,806.76/x
  3. Step 3: Cross multiply
    12,411.99x = 18,622.80 × 9,806.76
  4. Step 4: Simplify right side
    12,411.99x = 182,629,330.13
  5. Step 5: Solve for x
    x = 182,629,330.13/12,411.99
  6. Step 6: Final answer
    x = 14,713.94

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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.