Home / 14,002.82-21,007.81-4,645.45

Finding the Fourth Proportional to 14,002.82, 21,007.81 and 4,645.45

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Solution

The fourth proportional to 14,002.82, 21,007.81 and 4,645.45 is: 6,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.82 : 21,007.81 = 4,645.45 : x
  2. Step 2: Convert to fraction form
    14,002.82/21,007.81 = 4,645.45/x
  3. Step 3: Cross multiply
    14,002.82x = 21,007.81 × 4,645.45
  4. Step 4: Simplify right side
    14,002.82x = 97,590,684.25
  5. Step 5: Solve for x
    x = 97,590,684.25/14,002.82
  6. Step 6: Final answer
    x = 6,969.36

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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.