Home / 9,011.21-12,434.57-6,181.01

Finding the Fourth Proportional to 9,011.21, 12,434.57 and 6,181.01

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Solution

The fourth proportional to 9,011.21, 12,434.57 and 6,181.01 is: 8,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.21 : 12,434.57 = 6,181.01 : x
  2. Step 2: Convert to fraction form
    9,011.21/12,434.57 = 6,181.01/x
  3. Step 3: Cross multiply
    9,011.21x = 12,434.57 × 6,181.01
  4. Step 4: Simplify right side
    9,011.21x = 76,858,108.44
  5. Step 5: Solve for x
    x = 76,858,108.44/9,011.21
  6. Step 6: Final answer
    x = 8,529.16

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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.