Home / 14,741.64-20,339.64-8,770.68

Finding the Fourth Proportional to 14,741.64, 20,339.64 and 8,770.68

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Solution

The fourth proportional to 14,741.64, 20,339.64 and 8,770.68 is: 12,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.64 : 20,339.64 = 8,770.68 : x
  2. Step 2: Convert to fraction form
    14,741.64/20,339.64 = 8,770.68/x
  3. Step 3: Cross multiply
    14,741.64x = 20,339.64 × 8,770.68
  4. Step 4: Simplify right side
    14,741.64x = 178,392,473.76
  5. Step 5: Solve for x
    x = 178,392,473.76/14,741.64
  6. Step 6: Final answer
    x = 12,101.26

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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.