Home / 12,980.03-19,470.47-4,095.44

Finding the Fourth Proportional to 12,980.03, 19,470.47 and 4,095.44

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Solution

The fourth proportional to 12,980.03, 19,470.47 and 4,095.44 is: 6,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980.03 : 19,470.47 = 4,095.44 : x
  2. Step 2: Convert to fraction form
    12,980.03/19,470.47 = 4,095.44/x
  3. Step 3: Cross multiply
    12,980.03x = 19,470.47 × 4,095.44
  4. Step 4: Simplify right side
    12,980.03x = 79,740,166.01
  5. Step 5: Solve for x
    x = 79,740,166.01/12,980.03
  6. Step 6: Final answer
    x = 6,143.30

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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.