Home / 14,841.07-20,479.77-8,126.78

Finding the Fourth Proportional to 14,841.07, 20,479.77 and 8,126.78

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Solution

The fourth proportional to 14,841.07, 20,479.77 and 8,126.78 is: 11,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.07 : 20,479.77 = 8,126.78 : x
  2. Step 2: Convert to fraction form
    14,841.07/20,479.77 = 8,126.78/x
  3. Step 3: Cross multiply
    14,841.07x = 20,479.77 × 8,126.78
  4. Step 4: Simplify right side
    14,841.07x = 166,434,482.84
  5. Step 5: Solve for x
    x = 166,434,482.84/14,841.07
  6. Step 6: Final answer
    x = 11,214.45

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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.