Home / 14,740.56-20,338.80-8,771.06

Finding the Fourth Proportional to 14,740.56, 20,338.80 and 8,771.06

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Solution

The fourth proportional to 14,740.56, 20,338.80 and 8,771.06 is: 12,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.56 : 20,338.80 = 8,771.06 : x
  2. Step 2: Convert to fraction form
    14,740.56/20,338.80 = 8,771.06/x
  3. Step 3: Cross multiply
    14,740.56x = 20,338.80 × 8,771.06
  4. Step 4: Simplify right side
    14,740.56x = 178,392,733.43
  5. Step 5: Solve for x
    x = 178,392,733.43/14,740.56
  6. Step 6: Final answer
    x = 12,102.17

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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.