Home / 12,897.26-19,348.91-4,012.16

Finding the Fourth Proportional to 12,897.26, 19,348.91 and 4,012.16

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Solution

The fourth proportional to 12,897.26, 19,348.91 and 4,012.16 is: 6,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897.26 : 19,348.91 = 4,012.16 : x
  2. Step 2: Convert to fraction form
    12,897.26/19,348.91 = 4,012.16/x
  3. Step 3: Cross multiply
    12,897.26x = 19,348.91 × 4,012.16
  4. Step 4: Simplify right side
    12,897.26x = 77,630,892.33
  5. Step 5: Solve for x
    x = 77,630,892.33/12,897.26
  6. Step 6: Final answer
    x = 6,019.18

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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.