Home / 12,303.11-16,979.54-7,268.96

Finding the Fourth Proportional to 12,303.11, 16,979.54 and 7,268.96

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Solution

The fourth proportional to 12,303.11, 16,979.54 and 7,268.96 is: 10,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.11 : 16,979.54 = 7,268.96 : x
  2. Step 2: Convert to fraction form
    12,303.11/16,979.54 = 7,268.96/x
  3. Step 3: Cross multiply
    12,303.11x = 16,979.54 × 7,268.96
  4. Step 4: Simplify right side
    12,303.11x = 123,423,475.84
  5. Step 5: Solve for x
    x = 123,423,475.84/12,303.11
  6. Step 6: Final answer
    x = 10,031.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.