Home / 21,775.24-30,048.74-12,343.56

Finding the Fourth Proportional to 21,775.24, 30,048.74 and 12,343.56

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Solution

The fourth proportional to 21,775.24, 30,048.74 and 12,343.56 is: 17,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.24 : 30,048.74 = 12,343.56 : x
  2. Step 2: Convert to fraction form
    21,775.24/30,048.74 = 12,343.56/x
  3. Step 3: Cross multiply
    21,775.24x = 30,048.74 × 12,343.56
  4. Step 4: Simplify right side
    21,775.24x = 370,908,425.11
  5. Step 5: Solve for x
    x = 370,908,425.11/21,775.24
  6. Step 6: Final answer
    x = 17,033.49

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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.