Home / 12,601.82-18,903.64-5,206.72

Finding the Fourth Proportional to 12,601.82, 18,903.64 and 5,206.72

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Solution

The fourth proportional to 12,601.82, 18,903.64 and 5,206.72 is: 7,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.82 : 18,903.64 = 5,206.72 : x
  2. Step 2: Convert to fraction form
    12,601.82/18,903.64 = 5,206.72/x
  3. Step 3: Cross multiply
    12,601.82x = 18,903.64 × 5,206.72
  4. Step 4: Simplify right side
    12,601.82x = 98,425,960.46
  5. Step 5: Solve for x
    x = 98,425,960.46/12,601.82
  6. Step 6: Final answer
    x = 7,810.46

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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.