Home / 12,935.08-19,397.12-4,617.20

Finding the Fourth Proportional to 12,935.08, 19,397.12 and 4,617.20

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Solution

The fourth proportional to 12,935.08, 19,397.12 and 4,617.20 is: 6,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.08 : 19,397.12 = 4,617.20 : x
  2. Step 2: Convert to fraction form
    12,935.08/19,397.12 = 4,617.20/x
  3. Step 3: Cross multiply
    12,935.08x = 19,397.12 × 4,617.20
  4. Step 4: Simplify right side
    12,935.08x = 89,560,382.46
  5. Step 5: Solve for x
    x = 89,560,382.46/12,935.08
  6. Step 6: Final answer
    x = 6,923.84

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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.