Home / 12,728.54-19,095.02-4,294.26

Finding the Fourth Proportional to 12,728.54, 19,095.02 and 4,294.26

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Solution

The fourth proportional to 12,728.54, 19,095.02 and 4,294.26 is: 6,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.54 : 19,095.02 = 4,294.26 : x
  2. Step 2: Convert to fraction form
    12,728.54/19,095.02 = 4,294.26/x
  3. Step 3: Cross multiply
    12,728.54x = 19,095.02 × 4,294.26
  4. Step 4: Simplify right side
    12,728.54x = 81,998,959.11
  5. Step 5: Solve for x
    x = 81,998,959.11/12,728.54
  6. Step 6: Final answer
    x = 6,442.14

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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.