Home / 19,203.02-28,804.56-12,658.43

Finding the Fourth Proportional to 19,203.02, 28,804.56 and 12,658.43

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Solution

The fourth proportional to 19,203.02, 28,804.56 and 12,658.43 is: 18,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.02 : 28,804.56 = 12,658.43 : x
  2. Step 2: Convert to fraction form
    19,203.02/28,804.56 = 12,658.43/x
  3. Step 3: Cross multiply
    19,203.02x = 28,804.56 × 12,658.43
  4. Step 4: Simplify right side
    19,203.02x = 364,620,506.44
  5. Step 5: Solve for x
    x = 364,620,506.44/19,203.02
  6. Step 6: Final answer
    x = 18,987.66

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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.