Home / 15,523.23-21,422.53-10,994.03

Finding the Fourth Proportional to 15,523.23, 21,422.53 and 10,994.03

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Solution

The fourth proportional to 15,523.23, 21,422.53 and 10,994.03 is: 15,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.23 : 21,422.53 = 10,994.03 : x
  2. Step 2: Convert to fraction form
    15,523.23/21,422.53 = 10,994.03/x
  3. Step 3: Cross multiply
    15,523.23x = 21,422.53 × 10,994.03
  4. Step 4: Simplify right side
    15,523.23x = 235,519,802.90
  5. Step 5: Solve for x
    x = 235,519,802.90/15,523.23
  6. Step 6: Final answer
    x = 15,172.09

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1.5x scale

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.