Home / 14,014.58-21,007.69-9,087.35

Finding the Fourth Proportional to 14,014.58, 21,007.69 and 9,087.35

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Solution

The fourth proportional to 14,014.58, 21,007.69 and 9,087.35 is: 13,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.58 : 21,007.69 = 9,087.35 : x
  2. Step 2: Convert to fraction form
    14,014.58/21,007.69 = 9,087.35/x
  3. Step 3: Cross multiply
    14,014.58x = 21,007.69 × 9,087.35
  4. Step 4: Simplify right side
    14,014.58x = 190,904,231.72
  5. Step 5: Solve for x
    x = 190,904,231.72/14,014.58
  6. Step 6: Final answer
    x = 13,621.83

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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.