Home / 12,964.24-19,447.08-3,730

Finding the Fourth Proportional to 12,964.24, 19,447.08 and 3,730

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Solution

The fourth proportional to 12,964.24, 19,447.08 and 3,730 is: 5,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.24 : 19,447.08 = 3,730 : x
  2. Step 2: Convert to fraction form
    12,964.24/19,447.08 = 3,730/x
  3. Step 3: Cross multiply
    12,964.24x = 19,447.08 × 3,730
  4. Step 4: Simplify right side
    12,964.24x = 72,537,608.40
  5. Step 5: Solve for x
    x = 72,537,608.40/12,964.24
  6. Step 6: Final answer
    x = 5,595.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.