Home / 9,144.04-13,728.62-4,705.36

Finding the Fourth Proportional to 9,144.04, 13,728.62 and 4,705.36

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Solution

The fourth proportional to 9,144.04, 13,728.62 and 4,705.36 is: 7,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.04 : 13,728.62 = 4,705.36 : x
  2. Step 2: Convert to fraction form
    9,144.04/13,728.62 = 4,705.36/x
  3. Step 3: Cross multiply
    9,144.04x = 13,728.62 × 4,705.36
  4. Step 4: Simplify right side
    9,144.04x = 64,598,099.40
  5. Step 5: Solve for x
    x = 64,598,099.40/9,144.04
  6. Step 6: Final answer
    x = 7,064.50

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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.