Home / 11,457.65-17,157.30-7,550.21

Finding the Fourth Proportional to 11,457.65, 17,157.30 and 7,550.21

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Solution

The fourth proportional to 11,457.65, 17,157.30 and 7,550.21 is: 11,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.65 : 17,157.30 = 7,550.21 : x
  2. Step 2: Convert to fraction form
    11,457.65/17,157.30 = 7,550.21/x
  3. Step 3: Cross multiply
    11,457.65x = 17,157.30 × 7,550.21
  4. Step 4: Simplify right side
    11,457.65x = 129,541,132.25
  5. Step 5: Solve for x
    x = 129,541,132.25/11,457.65
  6. Step 6: Final answer
    x = 11,306.09

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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.