Home / 14,591.56-20,126.28-9,809.32

Finding the Fourth Proportional to 14,591.56, 20,126.28 and 9,809.32

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Solution

The fourth proportional to 14,591.56, 20,126.28 and 9,809.32 is: 13,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.56 : 20,126.28 = 9,809.32 : x
  2. Step 2: Convert to fraction form
    14,591.56/20,126.28 = 9,809.32/x
  3. Step 3: Cross multiply
    14,591.56x = 20,126.28 × 9,809.32
  4. Step 4: Simplify right side
    14,591.56x = 197,425,120.93
  5. Step 5: Solve for x
    x = 197,425,120.93/14,591.56
  6. Step 6: Final answer
    x = 13,530.09

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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.