Home / 14,690.62-20,257.72-8,721.14

Finding the Fourth Proportional to 14,690.62, 20,257.72 and 8,721.14

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Solution

The fourth proportional to 14,690.62, 20,257.72 and 8,721.14 is: 12,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.62 : 20,257.72 = 8,721.14 : x
  2. Step 2: Convert to fraction form
    14,690.62/20,257.72 = 8,721.14/x
  3. Step 3: Cross multiply
    14,690.62x = 20,257.72 × 8,721.14
  4. Step 4: Simplify right side
    14,690.62x = 176,670,412.20
  5. Step 5: Solve for x
    x = 176,670,412.20/14,690.62
  6. Step 6: Final answer
    x = 12,026.07

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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.