Home / 14,453.36-21,557.92-14,015.84

Finding the Fourth Proportional to 14,453.36, 21,557.92 and 14,015.84

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Solution

The fourth proportional to 14,453.36, 21,557.92 and 14,015.84 is: 20,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.36 : 21,557.92 = 14,015.84 : x
  2. Step 2: Convert to fraction form
    14,453.36/21,557.92 = 14,015.84/x
  3. Step 3: Cross multiply
    14,453.36x = 21,557.92 × 14,015.84
  4. Step 4: Simplify right side
    14,453.36x = 302,152,357.45
  5. Step 5: Solve for x
    x = 302,152,357.45/14,453.36
  6. Step 6: Final answer
    x = 20,905.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.