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Finding the Fourth Proportional to 15,772.48, 23,658.72 and 7,453.34

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Solution

The fourth proportional to 15,772.48, 23,658.72 and 7,453.34 is: 11,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.48 : 23,658.72 = 7,453.34 : x
  2. Step 2: Convert to fraction form
    15,772.48/23,658.72 = 7,453.34/x
  3. Step 3: Cross multiply
    15,772.48x = 23,658.72 × 7,453.34
  4. Step 4: Simplify right side
    15,772.48x = 176,336,484.12
  5. Step 5: Solve for x
    x = 176,336,484.12/15,772.48
  6. Step 6: Final answer
    x = 11,180.01

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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.