Home / 17,720.12-26,549.58-11,395.64

Finding the Fourth Proportional to 17,720.12, 26,549.58 and 11,395.64

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Solution

The fourth proportional to 17,720.12, 26,549.58 and 11,395.64 is: 17,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.12 : 26,549.58 = 11,395.64 : x
  2. Step 2: Convert to fraction form
    17,720.12/26,549.58 = 11,395.64/x
  3. Step 3: Cross multiply
    17,720.12x = 26,549.58 × 11,395.64
  4. Step 4: Simplify right side
    17,720.12x = 302,549,455.83
  5. Step 5: Solve for x
    x = 302,549,455.83/17,720.12
  6. Step 6: Final answer
    x = 17,073.78

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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.