Home / 14,028.78-21,036.95-5,257.52

Finding the Fourth Proportional to 14,028.78, 21,036.95 and 5,257.52

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Solution

The fourth proportional to 14,028.78, 21,036.95 and 5,257.52 is: 7,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.78 : 21,036.95 = 5,257.52 : x
  2. Step 2: Convert to fraction form
    14,028.78/21,036.95 = 5,257.52/x
  3. Step 3: Cross multiply
    14,028.78x = 21,036.95 × 5,257.52
  4. Step 4: Simplify right side
    14,028.78x = 110,602,185.36
  5. Step 5: Solve for x
    x = 110,602,185.36/14,028.78
  6. Step 6: Final answer
    x = 7,883.95

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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.