Home / 17,998.57-26,965-13,266.46

Finding the Fourth Proportional to 17,998.57, 26,965 and 13,266.46

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Solution

The fourth proportional to 17,998.57, 26,965 and 13,266.46 is: 19,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.57 : 26,965 = 13,266.46 : x
  2. Step 2: Convert to fraction form
    17,998.57/26,965 = 13,266.46/x
  3. Step 3: Cross multiply
    17,998.57x = 26,965 × 13,266.46
  4. Step 4: Simplify right side
    17,998.57x = 357,730,093.90
  5. Step 5: Solve for x
    x = 357,730,093.90/17,998.57
  6. Step 6: Final answer
    x = 19,875.47

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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.