Home / 11,858.46-16,346.37-8,869.74

Finding the Fourth Proportional to 11,858.46, 16,346.37 and 8,869.74

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Solution

The fourth proportional to 11,858.46, 16,346.37 and 8,869.74 is: 12,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.46 : 16,346.37 = 8,869.74 : x
  2. Step 2: Convert to fraction form
    11,858.46/16,346.37 = 8,869.74/x
  3. Step 3: Cross multiply
    11,858.46x = 16,346.37 × 8,869.74
  4. Step 4: Simplify right side
    11,858.46x = 144,988,051.84
  5. Step 5: Solve for x
    x = 144,988,051.84/11,858.46
  6. Step 6: Final answer
    x = 12,226.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.