Home / 19,166.21-28,707.76-9,284.82

Finding the Fourth Proportional to 19,166.21, 28,707.76 and 9,284.82

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Solution

The fourth proportional to 19,166.21, 28,707.76 and 9,284.82 is: 13,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.21 : 28,707.76 = 9,284.82 : x
  2. Step 2: Convert to fraction form
    19,166.21/28,707.76 = 9,284.82/x
  3. Step 3: Cross multiply
    19,166.21x = 28,707.76 × 9,284.82
  4. Step 4: Simplify right side
    19,166.21x = 266,546,384.20
  5. Step 5: Solve for x
    x = 266,546,384.20/19,166.21
  6. Step 6: Final answer
    x = 13,907.10

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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.