Home / 12,246.58-16,901.90-11,913

Finding the Fourth Proportional to 12,246.58, 16,901.90 and 11,913

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Solution

The fourth proportional to 12,246.58, 16,901.90 and 11,913 is: 16,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.58 : 16,901.90 = 11,913 : x
  2. Step 2: Convert to fraction form
    12,246.58/16,901.90 = 11,913/x
  3. Step 3: Cross multiply
    12,246.58x = 16,901.90 × 11,913
  4. Step 4: Simplify right side
    12,246.58x = 201,352,334.70
  5. Step 5: Solve for x
    x = 201,352,334.70/12,246.58
  6. Step 6: Final answer
    x = 16,441.52

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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.