Home / 9,320.11-12,869.96-6,343.06

Finding the Fourth Proportional to 9,320.11, 12,869.96 and 6,343.06

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Solution

The fourth proportional to 9,320.11, 12,869.96 and 6,343.06 is: 8,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.11 : 12,869.96 = 6,343.06 : x
  2. Step 2: Convert to fraction form
    9,320.11/12,869.96 = 6,343.06/x
  3. Step 3: Cross multiply
    9,320.11x = 12,869.96 × 6,343.06
  4. Step 4: Simplify right side
    9,320.11x = 81,634,942.24
  5. Step 5: Solve for x
    x = 81,634,942.24/9,320.11
  6. Step 6: Final answer
    x = 8,759.01

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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.