Home / 12,807.10-19,197.49-4,907.47

Finding the Fourth Proportional to 12,807.10, 19,197.49 and 4,907.47

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Solution

The fourth proportional to 12,807.10, 19,197.49 and 4,907.47 is: 7,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807.10 : 19,197.49 = 4,907.47 : x
  2. Step 2: Convert to fraction form
    12,807.10/19,197.49 = 4,907.47/x
  3. Step 3: Cross multiply
    12,807.10x = 19,197.49 × 4,907.47
  4. Step 4: Simplify right side
    12,807.10x = 94,211,192.88
  5. Step 5: Solve for x
    x = 94,211,192.88/12,807.10
  6. Step 6: Final answer
    x = 7,356.17

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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.