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Finding the Fourth Proportional to 19,011, 26,235.18 and 11,559

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Solution

The fourth proportional to 19,011, 26,235.18 and 11,559 is: 15,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011 : 26,235.18 = 11,559 : x
  2. Step 2: Convert to fraction form
    19,011/26,235.18 = 11,559/x
  3. Step 3: Cross multiply
    19,011x = 26,235.18 × 11,559
  4. Step 4: Simplify right side
    19,011x = 303,252,445.62
  5. Step 5: Solve for x
    x = 303,252,445.62/19,011
  6. Step 6: Final answer
    x = 15,951.42

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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.