Home / 15,106.05-20,934.68-14,894.64

Finding the Fourth Proportional to 15,106.05, 20,934.68 and 14,894.64

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Solution

The fourth proportional to 15,106.05, 20,934.68 and 14,894.64 is: 20,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.05 : 20,934.68 = 14,894.64 : x
  2. Step 2: Convert to fraction form
    15,106.05/20,934.68 = 14,894.64/x
  3. Step 3: Cross multiply
    15,106.05x = 20,934.68 × 14,894.64
  4. Step 4: Simplify right side
    15,106.05x = 311,814,447.64
  5. Step 5: Solve for x
    x = 311,814,447.64/15,106.05
  6. Step 6: Final answer
    x = 20,641.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.