Home / 14,071.04-21,090.40-5,300.48

Finding the Fourth Proportional to 14,071.04, 21,090.40 and 5,300.48

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Solution

The fourth proportional to 14,071.04, 21,090.40 and 5,300.48 is: 7,944.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.04 : 21,090.40 = 5,300.48 : x
  2. Step 2: Convert to fraction form
    14,071.04/21,090.40 = 5,300.48/x
  3. Step 3: Cross multiply
    14,071.04x = 21,090.40 × 5,300.48
  4. Step 4: Simplify right side
    14,071.04x = 111,789,243.39
  5. Step 5: Solve for x
    x = 111,789,243.39/14,071.04
  6. Step 6: Final answer
    x = 7,944.63

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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.