Home / 14,055.36-21,071.36-5,285.44

Finding the Fourth Proportional to 14,055.36, 21,071.36 and 5,285.44

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Solution

The fourth proportional to 14,055.36, 21,071.36 and 5,285.44 is: 7,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.36 : 21,071.36 = 5,285.44 : x
  2. Step 2: Convert to fraction form
    14,055.36/21,071.36 = 5,285.44/x
  3. Step 3: Cross multiply
    14,055.36x = 21,071.36 × 5,285.44
  4. Step 4: Simplify right side
    14,055.36x = 111,371,409.00
  5. Step 5: Solve for x
    x = 111,371,409.00/14,055.36
  6. Step 6: Final answer
    x = 7,923.77

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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.