Home / 12,973.53-19,460.31-3,613.57

Finding the Fourth Proportional to 12,973.53, 19,460.31 and 3,613.57

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Solution

The fourth proportional to 12,973.53, 19,460.31 and 3,613.57 is: 5,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.53 : 19,460.31 = 3,613.57 : x
  2. Step 2: Convert to fraction form
    12,973.53/19,460.31 = 3,613.57/x
  3. Step 3: Cross multiply
    12,973.53x = 19,460.31 × 3,613.57
  4. Step 4: Simplify right side
    12,973.53x = 70,321,174.34
  5. Step 5: Solve for x
    x = 70,321,174.34/12,973.53
  6. Step 6: Final answer
    x = 5,420.36

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1.5x scale

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.