Home / 19,457.76-29,176.56-11,563.68

Finding the Fourth Proportional to 19,457.76, 29,176.56 and 11,563.68

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Solution

The fourth proportional to 19,457.76, 29,176.56 and 11,563.68 is: 17,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.76 : 29,176.56 = 11,563.68 : x
  2. Step 2: Convert to fraction form
    19,457.76/29,176.56 = 11,563.68/x
  3. Step 3: Cross multiply
    19,457.76x = 29,176.56 × 11,563.68
  4. Step 4: Simplify right side
    19,457.76x = 337,388,403.34
  5. Step 5: Solve for x
    x = 337,388,403.34/19,457.76
  6. Step 6: Final answer
    x = 17,339.53

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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.