Home / 17,811.65-26,717.55-9,926.15

Finding the Fourth Proportional to 17,811.65, 26,717.55 and 9,926.15

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Solution

The fourth proportional to 17,811.65, 26,717.55 and 9,926.15 is: 14,889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.65 : 26,717.55 = 9,926.15 : x
  2. Step 2: Convert to fraction form
    17,811.65/26,717.55 = 9,926.15/x
  3. Step 3: Cross multiply
    17,811.65x = 26,717.55 × 9,926.15
  4. Step 4: Simplify right side
    17,811.65x = 265,202,238.12
  5. Step 5: Solve for x
    x = 265,202,238.12/17,811.65
  6. Step 6: Final answer
    x = 14,889.26

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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.