Home / 12,681.89-19,028.28-4,896.17

Finding the Fourth Proportional to 12,681.89, 19,028.28 and 4,896.17

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Solution

The fourth proportional to 12,681.89, 19,028.28 and 4,896.17 is: 7,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.89 : 19,028.28 = 4,896.17 : x
  2. Step 2: Convert to fraction form
    12,681.89/19,028.28 = 4,896.17/x
  3. Step 3: Cross multiply
    12,681.89x = 19,028.28 × 4,896.17
  4. Step 4: Simplify right side
    12,681.89x = 93,165,693.69
  5. Step 5: Solve for x
    x = 93,165,693.69/12,681.89
  6. Step 6: Final answer
    x = 7,346.36

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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.