Home / 19,485.36-29,232.37-9,091.44

Finding the Fourth Proportional to 19,485.36, 29,232.37 and 9,091.44

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Solution

The fourth proportional to 19,485.36, 29,232.37 and 9,091.44 is: 13,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.36 : 29,232.37 = 9,091.44 : x
  2. Step 2: Convert to fraction form
    19,485.36/29,232.37 = 9,091.44/x
  3. Step 3: Cross multiply
    19,485.36x = 29,232.37 × 9,091.44
  4. Step 4: Simplify right side
    19,485.36x = 265,764,337.91
  5. Step 5: Solve for x
    x = 265,764,337.91/19,485.36
  6. Step 6: Final answer
    x = 13,639.18

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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.