Home / 12,203.94-18,313.47-4,807.11

Finding the Fourth Proportional to 12,203.94, 18,313.47 and 4,807.11

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Solution

The fourth proportional to 12,203.94, 18,313.47 and 4,807.11 is: 7,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.94 : 18,313.47 = 4,807.11 : x
  2. Step 2: Convert to fraction form
    12,203.94/18,313.47 = 4,807.11/x
  3. Step 3: Cross multiply
    12,203.94x = 18,313.47 × 4,807.11
  4. Step 4: Simplify right side
    12,203.94x = 88,034,864.77
  5. Step 5: Solve for x
    x = 88,034,864.77/12,203.94
  6. Step 6: Final answer
    x = 7,213.64

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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.