Home / 9,705.53-13,395.72-6,168.05

Finding the Fourth Proportional to 9,705.53, 13,395.72 and 6,168.05

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Solution

The fourth proportional to 9,705.53, 13,395.72 and 6,168.05 is: 8,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.53 : 13,395.72 = 6,168.05 : x
  2. Step 2: Convert to fraction form
    9,705.53/13,395.72 = 6,168.05/x
  3. Step 3: Cross multiply
    9,705.53x = 13,395.72 × 6,168.05
  4. Step 4: Simplify right side
    9,705.53x = 82,625,470.75
  5. Step 5: Solve for x
    x = 82,625,470.75/9,705.53
  6. Step 6: Final answer
    x = 8,513.24

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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.