Home / 13,143.07-19,714.50-3,282.28

Finding the Fourth Proportional to 13,143.07, 19,714.50 and 3,282.28

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Solution

The fourth proportional to 13,143.07, 19,714.50 and 3,282.28 is: 4,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.07 : 19,714.50 = 3,282.28 : x
  2. Step 2: Convert to fraction form
    13,143.07/19,714.50 = 3,282.28/x
  3. Step 3: Cross multiply
    13,143.07x = 19,714.50 × 3,282.28
  4. Step 4: Simplify right side
    13,143.07x = 64,708,509.06
  5. Step 5: Solve for x
    x = 64,708,509.06/13,143.07
  6. Step 6: Final answer
    x = 4,923.39

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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.