Home / 15,065.78-20,799.14-10,292.86

Finding the Fourth Proportional to 15,065.78, 20,799.14 and 10,292.86

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Solution

The fourth proportional to 15,065.78, 20,799.14 and 10,292.86 is: 14,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.78 : 20,799.14 = 10,292.86 : x
  2. Step 2: Convert to fraction form
    15,065.78/20,799.14 = 10,292.86/x
  3. Step 3: Cross multiply
    15,065.78x = 20,799.14 × 10,292.86
  4. Step 4: Simplify right side
    15,065.78x = 214,082,551.58
  5. Step 5: Solve for x
    x = 214,082,551.58/15,065.78
  6. Step 6: Final answer
    x = 14,209.85

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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.