Home / 21,966.67-30,313.33-12,534.76

Finding the Fourth Proportional to 21,966.67, 30,313.33 and 12,534.76

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Solution

The fourth proportional to 21,966.67, 30,313.33 and 12,534.76 is: 17,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.67 : 30,313.33 = 12,534.76 : x
  2. Step 2: Convert to fraction form
    21,966.67/30,313.33 = 12,534.76/x
  3. Step 3: Cross multiply
    21,966.67x = 30,313.33 × 12,534.76
  4. Step 4: Simplify right side
    21,966.67x = 379,970,316.35
  5. Step 5: Solve for x
    x = 379,970,316.35/21,966.67
  6. Step 6: Final answer
    x = 17,297.58

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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.