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Finding the Fourth Proportional to 10,463.76, 14,438.88 and 5,987.44

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Solution

The fourth proportional to 10,463.76, 14,438.88 and 5,987.44 is: 8,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.76 : 14,438.88 = 5,987.44 : x
  2. Step 2: Convert to fraction form
    10,463.76/14,438.88 = 5,987.44/x
  3. Step 3: Cross multiply
    10,463.76x = 14,438.88 × 5,987.44
  4. Step 4: Simplify right side
    10,463.76x = 86,451,927.67
  5. Step 5: Solve for x
    x = 86,451,927.67/10,463.76
  6. Step 6: Final answer
    x = 8,262.03

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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.