Home / 14,022.99-21,048.32-7,449.17

Finding the Fourth Proportional to 14,022.99, 21,048.32 and 7,449.17

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Solution

The fourth proportional to 14,022.99, 21,048.32 and 7,449.17 is: 11,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.99 : 21,048.32 = 7,449.17 : x
  2. Step 2: Convert to fraction form
    14,022.99/21,048.32 = 7,449.17/x
  3. Step 3: Cross multiply
    14,022.99x = 21,048.32 × 7,449.17
  4. Step 4: Simplify right side
    14,022.99x = 156,792,427.28
  5. Step 5: Solve for x
    x = 156,792,427.28/14,022.99
  6. Step 6: Final answer
    x = 11,181.10

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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.