Home / 12,731.16-19,097.66-5,328.17

Finding the Fourth Proportional to 12,731.16, 19,097.66 and 5,328.17

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Solution

The fourth proportional to 12,731.16, 19,097.66 and 5,328.17 is: 7,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.16 : 19,097.66 = 5,328.17 : x
  2. Step 2: Convert to fraction form
    12,731.16/19,097.66 = 5,328.17/x
  3. Step 3: Cross multiply
    12,731.16x = 19,097.66 × 5,328.17
  4. Step 4: Simplify right side
    12,731.16x = 101,755,579.08
  5. Step 5: Solve for x
    x = 101,755,579.08/12,731.16
  6. Step 6: Final answer
    x = 7,992.64

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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.