Home / 15,715.56-23,576.64-14,147.16

Finding the Fourth Proportional to 15,715.56, 23,576.64 and 14,147.16

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Solution

The fourth proportional to 15,715.56, 23,576.64 and 14,147.16 is: 21,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.56 : 23,576.64 = 14,147.16 : x
  2. Step 2: Convert to fraction form
    15,715.56/23,576.64 = 14,147.16/x
  3. Step 3: Cross multiply
    15,715.56x = 23,576.64 × 14,147.16
  4. Step 4: Simplify right side
    15,715.56x = 333,542,498.34
  5. Step 5: Solve for x
    x = 333,542,498.34/15,715.56
  6. Step 6: Final answer
    x = 21,223.71

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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.