Home / 11,647.84-17,470.32-4,720.16

Finding the Fourth Proportional to 11,647.84, 17,470.32 and 4,720.16

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Solution

The fourth proportional to 11,647.84, 17,470.32 and 4,720.16 is: 7,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.84 : 17,470.32 = 4,720.16 : x
  2. Step 2: Convert to fraction form
    11,647.84/17,470.32 = 4,720.16/x
  3. Step 3: Cross multiply
    11,647.84x = 17,470.32 × 4,720.16
  4. Step 4: Simplify right side
    11,647.84x = 82,462,705.65
  5. Step 5: Solve for x
    x = 82,462,705.65/11,647.84
  6. Step 6: Final answer
    x = 7,079.66

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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.