Home / 15,318.48-22,974.78-5,457.72

Finding the Fourth Proportional to 15,318.48, 22,974.78 and 5,457.72

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Solution

The fourth proportional to 15,318.48, 22,974.78 and 5,457.72 is: 8,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.48 : 22,974.78 = 5,457.72 : x
  2. Step 2: Convert to fraction form
    15,318.48/22,974.78 = 5,457.72/x
  3. Step 3: Cross multiply
    15,318.48x = 22,974.78 × 5,457.72
  4. Step 4: Simplify right side
    15,318.48x = 125,389,916.30
  5. Step 5: Solve for x
    x = 125,389,916.30/15,318.48
  6. Step 6: Final answer
    x = 8,185.53

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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.