Home / 12,728.02-19,097.69-4,937.44

Finding the Fourth Proportional to 12,728.02, 19,097.69 and 4,937.44

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Solution

The fourth proportional to 12,728.02, 19,097.69 and 4,937.44 is: 7,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.02 : 19,097.69 = 4,937.44 : x
  2. Step 2: Convert to fraction form
    12,728.02/19,097.69 = 4,937.44/x
  3. Step 3: Cross multiply
    12,728.02x = 19,097.69 × 4,937.44
  4. Step 4: Simplify right side
    12,728.02x = 94,293,698.51
  5. Step 5: Solve for x
    x = 94,293,698.51/12,728.02
  6. Step 6: Final answer
    x = 7,408.36

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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.