Home / 16,678.85-25,020.01-5,435.06

Finding the Fourth Proportional to 16,678.85, 25,020.01 and 5,435.06

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Solution

The fourth proportional to 16,678.85, 25,020.01 and 5,435.06 is: 8,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.85 : 25,020.01 = 5,435.06 : x
  2. Step 2: Convert to fraction form
    16,678.85/25,020.01 = 5,435.06/x
  3. Step 3: Cross multiply
    16,678.85x = 25,020.01 × 5,435.06
  4. Step 4: Simplify right side
    16,678.85x = 135,985,210.69
  5. Step 5: Solve for x
    x = 135,985,210.69/16,678.85
  6. Step 6: Final answer
    x = 8,153.16

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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.