Home / 10,886.98-16,326.80-4,315.44

Finding the Fourth Proportional to 10,886.98, 16,326.80 and 4,315.44

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Solution

The fourth proportional to 10,886.98, 16,326.80 and 4,315.44 is: 6,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.98 : 16,326.80 = 4,315.44 : x
  2. Step 2: Convert to fraction form
    10,886.98/16,326.80 = 4,315.44/x
  3. Step 3: Cross multiply
    10,886.98x = 16,326.80 × 4,315.44
  4. Step 4: Simplify right side
    10,886.98x = 70,457,325.79
  5. Step 5: Solve for x
    x = 70,457,325.79/10,886.98
  6. Step 6: Final answer
    x = 6,471.71

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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.