Home / 14,139.59-21,208.43-5,374.26

Finding the Fourth Proportional to 14,139.59, 21,208.43 and 5,374.26

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Solution

The fourth proportional to 14,139.59, 21,208.43 and 5,374.26 is: 8,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.59 : 21,208.43 = 5,374.26 : x
  2. Step 2: Convert to fraction form
    14,139.59/21,208.43 = 5,374.26/x
  3. Step 3: Cross multiply
    14,139.59x = 21,208.43 × 5,374.26
  4. Step 4: Simplify right side
    14,139.59x = 113,979,590.14
  5. Step 5: Solve for x
    x = 113,979,590.14/14,139.59
  6. Step 6: Final answer
    x = 8,061.03

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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.