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Finding the Fourth Proportional to 19,166.86, 28,754.88 and 6,019.23

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Solution

The fourth proportional to 19,166.86, 28,754.88 and 6,019.23 is: 9,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.86 : 28,754.88 = 6,019.23 : x
  2. Step 2: Convert to fraction form
    19,166.86/28,754.88 = 6,019.23/x
  3. Step 3: Cross multiply
    19,166.86x = 28,754.88 × 6,019.23
  4. Step 4: Simplify right side
    19,166.86x = 173,082,236.34
  5. Step 5: Solve for x
    x = 173,082,236.34/19,166.86
  6. Step 6: Final answer
    x = 9,030.29

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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.