Home / 15,282.03-21,088.44-8,994

Finding the Fourth Proportional to 15,282.03, 21,088.44 and 8,994

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Solution

The fourth proportional to 15,282.03, 21,088.44 and 8,994 is: 12,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.03 : 21,088.44 = 8,994 : x
  2. Step 2: Convert to fraction form
    15,282.03/21,088.44 = 8,994/x
  3. Step 3: Cross multiply
    15,282.03x = 21,088.44 × 8,994
  4. Step 4: Simplify right side
    15,282.03x = 189,669,429.36
  5. Step 5: Solve for x
    x = 189,669,429.36/15,282.03
  6. Step 6: Final answer
    x = 12,411.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.