Home / 12,723.36-19,084.08-6,479.46

Finding the Fourth Proportional to 12,723.36, 19,084.08 and 6,479.46

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Solution

The fourth proportional to 12,723.36, 19,084.08 and 6,479.46 is: 9,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.36 : 19,084.08 = 6,479.46 : x
  2. Step 2: Convert to fraction form
    12,723.36/19,084.08 = 6,479.46/x
  3. Step 3: Cross multiply
    12,723.36x = 19,084.08 × 6,479.46
  4. Step 4: Simplify right side
    12,723.36x = 123,654,533.00
  5. Step 5: Solve for x
    x = 123,654,533.00/12,723.36
  6. Step 6: Final answer
    x = 9,718.70

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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.