Home / 17,520.32-26,288.16-7,662.08

Finding the Fourth Proportional to 17,520.32, 26,288.16 and 7,662.08

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Solution

The fourth proportional to 17,520.32, 26,288.16 and 7,662.08 is: 11,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.32 : 26,288.16 = 7,662.08 : x
  2. Step 2: Convert to fraction form
    17,520.32/26,288.16 = 7,662.08/x
  3. Step 3: Cross multiply
    17,520.32x = 26,288.16 × 7,662.08
  4. Step 4: Simplify right side
    17,520.32x = 201,421,984.97
  5. Step 5: Solve for x
    x = 201,421,984.97/17,520.32
  6. Step 6: Final answer
    x = 11,496.48

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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.