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Finding the Fourth Proportional to 14,692.91, 22,011.57 and 11,389.82

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Solution

The fourth proportional to 14,692.91, 22,011.57 and 11,389.82 is: 17,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.91 : 22,011.57 = 11,389.82 : x
  2. Step 2: Convert to fraction form
    14,692.91/22,011.57 = 11,389.82/x
  3. Step 3: Cross multiply
    14,692.91x = 22,011.57 × 11,389.82
  4. Step 4: Simplify right side
    14,692.91x = 250,707,710.16
  5. Step 5: Solve for x
    x = 250,707,710.16/14,692.91
  6. Step 6: Final answer
    x = 17,063.18

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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.