Home / 14,001.26-21,001.56-5,679.04

Finding the Fourth Proportional to 14,001.26, 21,001.56 and 5,679.04

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Solution

The fourth proportional to 14,001.26, 21,001.56 and 5,679.04 is: 8,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.26 : 21,001.56 = 5,679.04 : x
  2. Step 2: Convert to fraction form
    14,001.26/21,001.56 = 5,679.04/x
  3. Step 3: Cross multiply
    14,001.26x = 21,001.56 × 5,679.04
  4. Step 4: Simplify right side
    14,001.26x = 119,268,699.30
  5. Step 5: Solve for x
    x = 119,268,699.30/14,001.26
  6. Step 6: Final answer
    x = 8,518.43

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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.