Home / 18,951.67-26,145.28-13,907.19

Finding the Fourth Proportional to 18,951.67, 26,145.28 and 13,907.19

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Solution

The fourth proportional to 18,951.67, 26,145.28 and 13,907.19 is: 19,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.67 : 26,145.28 = 13,907.19 : x
  2. Step 2: Convert to fraction form
    18,951.67/26,145.28 = 13,907.19/x
  3. Step 3: Cross multiply
    18,951.67x = 26,145.28 × 13,907.19
  4. Step 4: Simplify right side
    18,951.67x = 363,607,491.99
  5. Step 5: Solve for x
    x = 363,607,491.99/18,951.67
  6. Step 6: Final answer
    x = 19,186.04

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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.