Home / 12,806.16-19,210.38-4,908.36

Finding the Fourth Proportional to 12,806.16, 19,210.38 and 4,908.36

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Solution

The fourth proportional to 12,806.16, 19,210.38 and 4,908.36 is: 7,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.16 : 19,210.38 = 4,908.36 : x
  2. Step 2: Convert to fraction form
    12,806.16/19,210.38 = 4,908.36/x
  3. Step 3: Cross multiply
    12,806.16x = 19,210.38 × 4,908.36
  4. Step 4: Simplify right side
    12,806.16x = 94,291,460.78
  5. Step 5: Solve for x
    x = 94,291,460.78/12,806.16
  6. Step 6: Final answer
    x = 7,362.98

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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.