Home / 9,118.56-13,661.36-4,192.32

Finding the Fourth Proportional to 9,118.56, 13,661.36 and 4,192.32

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Solution

The fourth proportional to 9,118.56, 13,661.36 and 4,192.32 is: 6,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.56 : 13,661.36 = 4,192.32 : x
  2. Step 2: Convert to fraction form
    9,118.56/13,661.36 = 4,192.32/x
  3. Step 3: Cross multiply
    9,118.56x = 13,661.36 × 4,192.32
  4. Step 4: Simplify right side
    9,118.56x = 57,272,792.76
  5. Step 5: Solve for x
    x = 57,272,792.76/9,118.56
  6. Step 6: Final answer
    x = 6,280.90

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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.