Home / 10,935.56-16,406.80-8,315.62

Finding the Fourth Proportional to 10,935.56, 16,406.80 and 8,315.62

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Solution

The fourth proportional to 10,935.56, 16,406.80 and 8,315.62 is: 12,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.56 : 16,406.80 = 8,315.62 : x
  2. Step 2: Convert to fraction form
    10,935.56/16,406.80 = 8,315.62/x
  3. Step 3: Cross multiply
    10,935.56x = 16,406.80 × 8,315.62
  4. Step 4: Simplify right side
    10,935.56x = 136,432,652.41
  5. Step 5: Solve for x
    x = 136,432,652.41/10,935.56
  6. Step 6: Final answer
    x = 12,476.05

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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.