Home / 20,710.06-28,585.03-12,759.10

Finding the Fourth Proportional to 20,710.06, 28,585.03 and 12,759.10

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Solution

The fourth proportional to 20,710.06, 28,585.03 and 12,759.10 is: 17,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.06 : 28,585.03 = 12,759.10 : x
  2. Step 2: Convert to fraction form
    20,710.06/28,585.03 = 12,759.10/x
  3. Step 3: Cross multiply
    20,710.06x = 28,585.03 × 12,759.10
  4. Step 4: Simplify right side
    20,710.06x = 364,719,256.27
  5. Step 5: Solve for x
    x = 364,719,256.27/20,710.06
  6. Step 6: Final answer
    x = 17,610.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.