Home / 14,169.36-19,558.98-12,171.90

Finding the Fourth Proportional to 14,169.36, 19,558.98 and 12,171.90

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Solution

The fourth proportional to 14,169.36, 19,558.98 and 12,171.90 is: 16,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.36 : 19,558.98 = 12,171.90 : x
  2. Step 2: Convert to fraction form
    14,169.36/19,558.98 = 12,171.90/x
  3. Step 3: Cross multiply
    14,169.36x = 19,558.98 × 12,171.90
  4. Step 4: Simplify right side
    14,169.36x = 238,069,948.66
  5. Step 5: Solve for x
    x = 238,069,948.66/14,169.36
  6. Step 6: Final answer
    x = 16,801.74

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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.