Home / 15,457.28-23,187.04-7,664

Finding the Fourth Proportional to 15,457.28, 23,187.04 and 7,664

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Solution

The fourth proportional to 15,457.28, 23,187.04 and 7,664 is: 11,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457.28 : 23,187.04 = 7,664 : x
  2. Step 2: Convert to fraction form
    15,457.28/23,187.04 = 7,664/x
  3. Step 3: Cross multiply
    15,457.28x = 23,187.04 × 7,664
  4. Step 4: Simplify right side
    15,457.28x = 177,705,474.56
  5. Step 5: Solve for x
    x = 177,705,474.56/15,457.28
  6. Step 6: Final answer
    x = 11,496.56

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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.