Home / 17,515.72-26,259.40-11,955.07

Finding the Fourth Proportional to 17,515.72, 26,259.40 and 11,955.07

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Solution

The fourth proportional to 17,515.72, 26,259.40 and 11,955.07 is: 17,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.72 : 26,259.40 = 11,955.07 : x
  2. Step 2: Convert to fraction form
    17,515.72/26,259.40 = 11,955.07/x
  3. Step 3: Cross multiply
    17,515.72x = 26,259.40 × 11,955.07
  4. Step 4: Simplify right side
    17,515.72x = 313,932,965.16
  5. Step 5: Solve for x
    x = 313,932,965.16/17,515.72
  6. Step 6: Final answer
    x = 17,922.93

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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.