Home / 21,769.22-30,048.36-12,344.06

Finding the Fourth Proportional to 21,769.22, 30,048.36 and 12,344.06

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Solution

The fourth proportional to 21,769.22, 30,048.36 and 12,344.06 is: 17,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.22 : 30,048.36 = 12,344.06 : x
  2. Step 2: Convert to fraction form
    21,769.22/30,048.36 = 12,344.06/x
  3. Step 3: Cross multiply
    21,769.22x = 30,048.36 × 12,344.06
  4. Step 4: Simplify right side
    21,769.22x = 370,918,758.74
  5. Step 5: Solve for x
    x = 370,918,758.74/21,769.22
  6. Step 6: Final answer
    x = 17,038.68

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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.