Home / 14,618.88-21,942-7,698.24

Finding the Fourth Proportional to 14,618.88, 21,942 and 7,698.24

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Solution

The fourth proportional to 14,618.88, 21,942 and 7,698.24 is: 11,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.88 : 21,942 = 7,698.24 : x
  2. Step 2: Convert to fraction form
    14,618.88/21,942 = 7,698.24/x
  3. Step 3: Cross multiply
    14,618.88x = 21,942 × 7,698.24
  4. Step 4: Simplify right side
    14,618.88x = 168,914,782.08
  5. Step 5: Solve for x
    x = 168,914,782.08/14,618.88
  6. Step 6: Final answer
    x = 11,554.56

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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.