Home / 13,966.16-20,930.72-10,250.96

Finding the Fourth Proportional to 13,966.16, 20,930.72 and 10,250.96

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Solution

The fourth proportional to 13,966.16, 20,930.72 and 10,250.96 is: 15,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.16 : 20,930.72 = 10,250.96 : x
  2. Step 2: Convert to fraction form
    13,966.16/20,930.72 = 10,250.96/x
  3. Step 3: Cross multiply
    13,966.16x = 20,930.72 × 10,250.96
  4. Step 4: Simplify right side
    13,966.16x = 214,559,973.49
  5. Step 5: Solve for x
    x = 214,559,973.49/13,966.16
  6. Step 6: Final answer
    x = 15,362.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.