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Finding the Fourth Proportional to 10,660.16, 15,883.06 and 10,064

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Solution

The fourth proportional to 10,660.16, 15,883.06 and 10,064 is: 14,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.16 : 15,883.06 = 10,064 : x
  2. Step 2: Convert to fraction form
    10,660.16/15,883.06 = 10,064/x
  3. Step 3: Cross multiply
    10,660.16x = 15,883.06 × 10,064
  4. Step 4: Simplify right side
    10,660.16x = 159,847,115.84
  5. Step 5: Solve for x
    x = 159,847,115.84/10,660.16
  6. Step 6: Final answer
    x = 14,994.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.