Home / 14,048.06-21,071.88-4,187.38

Finding the Fourth Proportional to 14,048.06, 21,071.88 and 4,187.38

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Solution

The fourth proportional to 14,048.06, 21,071.88 and 4,187.38 is: 6,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.06 : 21,071.88 = 4,187.38 : x
  2. Step 2: Convert to fraction form
    14,048.06/21,071.88 = 4,187.38/x
  3. Step 3: Cross multiply
    14,048.06x = 21,071.88 × 4,187.38
  4. Step 4: Simplify right side
    14,048.06x = 88,235,968.87
  5. Step 5: Solve for x
    x = 88,235,968.87/14,048.06
  6. Step 6: Final answer
    x = 6,281.01

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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.