Home / 18,717.51-25,858.35-12,272.46

Finding the Fourth Proportional to 18,717.51, 25,858.35 and 12,272.46

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Solution

The fourth proportional to 18,717.51, 25,858.35 and 12,272.46 is: 16,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.51 : 25,858.35 = 12,272.46 : x
  2. Step 2: Convert to fraction form
    18,717.51/25,858.35 = 12,272.46/x
  3. Step 3: Cross multiply
    18,717.51x = 25,858.35 × 12,272.46
  4. Step 4: Simplify right side
    18,717.51x = 317,345,566.04
  5. Step 5: Solve for x
    x = 317,345,566.04/18,717.51
  6. Step 6: Final answer
    x = 16,954.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.