Home / 12,604.36-18,892.22-9,810.40

Finding the Fourth Proportional to 12,604.36, 18,892.22 and 9,810.40

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Solution

The fourth proportional to 12,604.36, 18,892.22 and 9,810.40 is: 14,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.36 : 18,892.22 = 9,810.40 : x
  2. Step 2: Convert to fraction form
    12,604.36/18,892.22 = 9,810.40/x
  3. Step 3: Cross multiply
    12,604.36x = 18,892.22 × 9,810.40
  4. Step 4: Simplify right side
    12,604.36x = 185,340,235.09
  5. Step 5: Solve for x
    x = 185,340,235.09/12,604.36
  6. Step 6: Final answer
    x = 14,704.45

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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.