Home / 17,790.66-26,685.38-8,435.16

Finding the Fourth Proportional to 17,790.66, 26,685.38 and 8,435.16

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Solution

The fourth proportional to 17,790.66, 26,685.38 and 8,435.16 is: 12,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.66 : 26,685.38 = 8,435.16 : x
  2. Step 2: Convert to fraction form
    17,790.66/26,685.38 = 8,435.16/x
  3. Step 3: Cross multiply
    17,790.66x = 26,685.38 × 8,435.16
  4. Step 4: Simplify right side
    17,790.66x = 225,095,471.05
  5. Step 5: Solve for x
    x = 225,095,471.05/17,790.66
  6. Step 6: Final answer
    x = 12,652.45

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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.