Home / 14,148.12-19,517.58-9,426.36

Finding the Fourth Proportional to 14,148.12, 19,517.58 and 9,426.36

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Solution

The fourth proportional to 14,148.12, 19,517.58 and 9,426.36 is: 13,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.12 : 19,517.58 = 9,426.36 : x
  2. Step 2: Convert to fraction form
    14,148.12/19,517.58 = 9,426.36/x
  3. Step 3: Cross multiply
    14,148.12x = 19,517.58 × 9,426.36
  4. Step 4: Simplify right side
    14,148.12x = 183,979,735.41
  5. Step 5: Solve for x
    x = 183,979,735.41/14,148.12
  6. Step 6: Final answer
    x = 13,003.83

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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.