Home / 14,378.44-21,523.06-7,788.28

Finding the Fourth Proportional to 14,378.44, 21,523.06 and 7,788.28

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Solution

The fourth proportional to 14,378.44, 21,523.06 and 7,788.28 is: 11,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.44 : 21,523.06 = 7,788.28 : x
  2. Step 2: Convert to fraction form
    14,378.44/21,523.06 = 7,788.28/x
  3. Step 3: Cross multiply
    14,378.44x = 21,523.06 × 7,788.28
  4. Step 4: Simplify right side
    14,378.44x = 167,627,617.74
  5. Step 5: Solve for x
    x = 167,627,617.74/14,378.44
  6. Step 6: Final answer
    x = 11,658.26

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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.