Home / 9,106.68-13,666.08-3,558.96

Finding the Fourth Proportional to 9,106.68, 13,666.08 and 3,558.96

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Solution

The fourth proportional to 9,106.68, 13,666.08 and 3,558.96 is: 5,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.68 : 13,666.08 = 3,558.96 : x
  2. Step 2: Convert to fraction form
    9,106.68/13,666.08 = 3,558.96/x
  3. Step 3: Cross multiply
    9,106.68x = 13,666.08 × 3,558.96
  4. Step 4: Simplify right side
    9,106.68x = 48,637,032.08
  5. Step 5: Solve for x
    x = 48,637,032.08/9,106.68
  6. Step 6: Final answer
    x = 5,340.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.