Home / 16,962.64-25,444.64-6,431.56

Finding the Fourth Proportional to 16,962.64, 25,444.64 and 6,431.56

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Solution

The fourth proportional to 16,962.64, 25,444.64 and 6,431.56 is: 9,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.64 : 25,444.64 = 6,431.56 : x
  2. Step 2: Convert to fraction form
    16,962.64/25,444.64 = 6,431.56/x
  3. Step 3: Cross multiply
    16,962.64x = 25,444.64 × 6,431.56
  4. Step 4: Simplify right side
    16,962.64x = 163,648,728.84
  5. Step 5: Solve for x
    x = 163,648,728.84/16,962.64
  6. Step 6: Final answer
    x = 9,647.60

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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.