Home / 13,943.26-19,123.72-12,368.62

Finding the Fourth Proportional to 13,943.26, 19,123.72 and 12,368.62

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Solution

The fourth proportional to 13,943.26, 19,123.72 and 12,368.62 is: 16,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.26 : 19,123.72 = 12,368.62 : x
  2. Step 2: Convert to fraction form
    13,943.26/19,123.72 = 12,368.62/x
  3. Step 3: Cross multiply
    13,943.26x = 19,123.72 × 12,368.62
  4. Step 4: Simplify right side
    13,943.26x = 236,534,025.67
  5. Step 5: Solve for x
    x = 236,534,025.67/13,943.26
  6. Step 6: Final answer
    x = 16,964.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.