Home / 14,175-21,263.37-4,315.02

Finding the Fourth Proportional to 14,175, 21,263.37 and 4,315.02

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Solution

The fourth proportional to 14,175, 21,263.37 and 4,315.02 is: 6,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175 : 21,263.37 = 4,315.02 : x
  2. Step 2: Convert to fraction form
    14,175/21,263.37 = 4,315.02/x
  3. Step 3: Cross multiply
    14,175x = 21,263.37 × 4,315.02
  4. Step 4: Simplify right side
    14,175x = 91,751,866.82
  5. Step 5: Solve for x
    x = 91,751,866.82/14,175
  6. Step 6: Final answer
    x = 6,472.79

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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.