Home / 14,353.38-19,813.74-13,456.62

Finding the Fourth Proportional to 14,353.38, 19,813.74 and 13,456.62

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Solution

The fourth proportional to 14,353.38, 19,813.74 and 13,456.62 is: 18,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.38 : 19,813.74 = 13,456.62 : x
  2. Step 2: Convert to fraction form
    14,353.38/19,813.74 = 13,456.62/x
  3. Step 3: Cross multiply
    14,353.38x = 19,813.74 × 13,456.62
  4. Step 4: Simplify right side
    14,353.38x = 266,625,969.96
  5. Step 5: Solve for x
    x = 266,625,969.96/14,353.38
  6. Step 6: Final answer
    x = 18,575.83

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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.