Home / 14,272.58-19,695.93-7,984.95

Finding the Fourth Proportional to 14,272.58, 19,695.93 and 7,984.95

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Solution

The fourth proportional to 14,272.58, 19,695.93 and 7,984.95 is: 11,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.58 : 19,695.93 = 7,984.95 : x
  2. Step 2: Convert to fraction form
    14,272.58/19,695.93 = 7,984.95/x
  3. Step 3: Cross multiply
    14,272.58x = 19,695.93 × 7,984.95
  4. Step 4: Simplify right side
    14,272.58x = 157,271,016.25
  5. Step 5: Solve for x
    x = 157,271,016.25/14,272.58
  6. Step 6: Final answer
    x = 11,019.11

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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.