Home / 13,715.36-18,927.16-7,427.73

Finding the Fourth Proportional to 13,715.36, 18,927.16 and 7,427.73

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Solution

The fourth proportional to 13,715.36, 18,927.16 and 7,427.73 is: 10,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.36 : 18,927.16 = 7,427.73 : x
  2. Step 2: Convert to fraction form
    13,715.36/18,927.16 = 7,427.73/x
  3. Step 3: Cross multiply
    13,715.36x = 18,927.16 × 7,427.73
  4. Step 4: Simplify right side
    13,715.36x = 140,585,815.58
  5. Step 5: Solve for x
    x = 140,585,815.58/13,715.36
  6. Step 6: Final answer
    x = 10,250.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.