Home / 12,658.02-17,467.20-7,621.26

Finding the Fourth Proportional to 12,658.02, 17,467.20 and 7,621.26

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Solution

The fourth proportional to 12,658.02, 17,467.20 and 7,621.26 is: 10,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.02 : 17,467.20 = 7,621.26 : x
  2. Step 2: Convert to fraction form
    12,658.02/17,467.20 = 7,621.26/x
  3. Step 3: Cross multiply
    12,658.02x = 17,467.20 × 7,621.26
  4. Step 4: Simplify right side
    12,658.02x = 133,122,072.67
  5. Step 5: Solve for x
    x = 133,122,072.67/12,658.02
  6. Step 6: Final answer
    x = 10,516.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.