Home / 10,677.23-16,025.62-5,415.88

Finding the Fourth Proportional to 10,677.23, 16,025.62 and 5,415.88

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Solution

The fourth proportional to 10,677.23, 16,025.62 and 5,415.88 is: 8,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.23 : 16,025.62 = 5,415.88 : x
  2. Step 2: Convert to fraction form
    10,677.23/16,025.62 = 5,415.88/x
  3. Step 3: Cross multiply
    10,677.23x = 16,025.62 × 5,415.88
  4. Step 4: Simplify right side
    10,677.23x = 86,792,769.07
  5. Step 5: Solve for x
    x = 86,792,769.07/10,677.23
  6. Step 6: Final answer
    x = 8,128.77

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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.