Home / 12,730.94-19,010.68-10,395.51

Finding the Fourth Proportional to 12,730.94, 19,010.68 and 10,395.51

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Solution

The fourth proportional to 12,730.94, 19,010.68 and 10,395.51 is: 15,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.94 : 19,010.68 = 10,395.51 : x
  2. Step 2: Convert to fraction form
    12,730.94/19,010.68 = 10,395.51/x
  3. Step 3: Cross multiply
    12,730.94x = 19,010.68 × 10,395.51
  4. Step 4: Simplify right side
    12,730.94x = 197,625,714.05
  5. Step 5: Solve for x
    x = 197,625,714.05/12,730.94
  6. Step 6: Final answer
    x = 15,523.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.