Home / 9,664.08-13,341.96-6,361.68

Finding the Fourth Proportional to 9,664.08, 13,341.96 and 6,361.68

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Solution

The fourth proportional to 9,664.08, 13,341.96 and 6,361.68 is: 8,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.08 : 13,341.96 = 6,361.68 : x
  2. Step 2: Convert to fraction form
    9,664.08/13,341.96 = 6,361.68/x
  3. Step 3: Cross multiply
    9,664.08x = 13,341.96 × 6,361.68
  4. Step 4: Simplify right side
    9,664.08x = 84,877,280.09
  5. Step 5: Solve for x
    x = 84,877,280.09/9,664.08
  6. Step 6: Final answer
    x = 8,782.76

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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.