Home / 8,956.17-12,361.34-6,131.36

Finding the Fourth Proportional to 8,956.17, 12,361.34 and 6,131.36

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Solution

The fourth proportional to 8,956.17, 12,361.34 and 6,131.36 is: 8,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.17 : 12,361.34 = 6,131.36 : x
  2. Step 2: Convert to fraction form
    8,956.17/12,361.34 = 6,131.36/x
  3. Step 3: Cross multiply
    8,956.17x = 12,361.34 × 6,131.36
  4. Step 4: Simplify right side
    8,956.17x = 75,791,779.14
  5. Step 5: Solve for x
    x = 75,791,779.14/8,956.17
  6. Step 6: Final answer
    x = 8,462.52

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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.