Home / 12,658.02-17,469.05-7,352.52

Finding the Fourth Proportional to 12,658.02, 17,469.05 and 7,352.52

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Solution

The fourth proportional to 12,658.02, 17,469.05 and 7,352.52 is: 10,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.02 : 17,469.05 = 7,352.52 : x
  2. Step 2: Convert to fraction form
    12,658.02/17,469.05 = 7,352.52/x
  3. Step 3: Cross multiply
    12,658.02x = 17,469.05 × 7,352.52
  4. Step 4: Simplify right side
    12,658.02x = 128,441,502.74
  5. Step 5: Solve for x
    x = 128,441,502.74/12,658.02
  6. Step 6: Final answer
    x = 10,147.05

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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.