Home / 14,141.67-19,520.08-10,174.31

Finding the Fourth Proportional to 14,141.67, 19,520.08 and 10,174.31

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Solution

The fourth proportional to 14,141.67, 19,520.08 and 10,174.31 is: 14,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.67 : 19,520.08 = 10,174.31 : x
  2. Step 2: Convert to fraction form
    14,141.67/19,520.08 = 10,174.31/x
  3. Step 3: Cross multiply
    14,141.67x = 19,520.08 × 10,174.31
  4. Step 4: Simplify right side
    14,141.67x = 198,603,345.14
  5. Step 5: Solve for x
    x = 198,603,345.14/14,141.67
  6. Step 6: Final answer
    x = 14,043.84

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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.