Home / 14,007.36-21,012.39-4,645.38

Finding the Fourth Proportional to 14,007.36, 21,012.39 and 4,645.38

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Solution

The fourth proportional to 14,007.36, 21,012.39 and 4,645.38 is: 6,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.36 : 21,012.39 = 4,645.38 : x
  2. Step 2: Convert to fraction form
    14,007.36/21,012.39 = 4,645.38/x
  3. Step 3: Cross multiply
    14,007.36x = 21,012.39 × 4,645.38
  4. Step 4: Simplify right side
    14,007.36x = 97,610,536.26
  5. Step 5: Solve for x
    x = 97,610,536.26/14,007.36
  6. Step 6: Final answer
    x = 6,968.52

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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.