Home / 14,680.76-20,259.39-7,966.34

Finding the Fourth Proportional to 14,680.76, 20,259.39 and 7,966.34

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Solution

The fourth proportional to 14,680.76, 20,259.39 and 7,966.34 is: 10,993.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.76 : 20,259.39 = 7,966.34 : x
  2. Step 2: Convert to fraction form
    14,680.76/20,259.39 = 7,966.34/x
  3. Step 3: Cross multiply
    14,680.76x = 20,259.39 × 7,966.34
  4. Step 4: Simplify right side
    14,680.76x = 161,393,188.93
  5. Step 5: Solve for x
    x = 161,393,188.93/14,680.76
  6. Step 6: Final answer
    x = 10,993.52

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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.