Home / 14,289.51-21,433.44-4,428.48

Finding the Fourth Proportional to 14,289.51, 21,433.44 and 4,428.48

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Solution

The fourth proportional to 14,289.51, 21,433.44 and 4,428.48 is: 6,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.51 : 21,433.44 = 4,428.48 : x
  2. Step 2: Convert to fraction form
    14,289.51/21,433.44 = 4,428.48/x
  3. Step 3: Cross multiply
    14,289.51x = 21,433.44 × 4,428.48
  4. Step 4: Simplify right side
    14,289.51x = 94,917,560.37
  5. Step 5: Solve for x
    x = 94,917,560.37/14,289.51
  6. Step 6: Final answer
    x = 6,642.46

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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.