Home / 19,617.48-29,438.73-7,136.31

Finding the Fourth Proportional to 19,617.48, 29,438.73 and 7,136.31

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Solution

The fourth proportional to 19,617.48, 29,438.73 and 7,136.31 is: 10,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.48 : 29,438.73 = 7,136.31 : x
  2. Step 2: Convert to fraction form
    19,617.48/29,438.73 = 7,136.31/x
  3. Step 3: Cross multiply
    19,617.48x = 29,438.73 × 7,136.31
  4. Step 4: Simplify right side
    19,617.48x = 210,083,903.29
  5. Step 5: Solve for x
    x = 210,083,903.29/19,617.48
  6. Step 6: Final answer
    x = 10,709.02

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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.