Home / 10,917.36-16,392.78-6,554.16

Finding the Fourth Proportional to 10,917.36, 16,392.78 and 6,554.16

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Solution

The fourth proportional to 10,917.36, 16,392.78 and 6,554.16 is: 9,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.36 : 16,392.78 = 6,554.16 : x
  2. Step 2: Convert to fraction form
    10,917.36/16,392.78 = 6,554.16/x
  3. Step 3: Cross multiply
    10,917.36x = 16,392.78 × 6,554.16
  4. Step 4: Simplify right side
    10,917.36x = 107,440,902.96
  5. Step 5: Solve for x
    x = 107,440,902.96/10,917.36
  6. Step 6: Final answer
    x = 9,841.29

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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.