Home / 14,559.48-20,086.38-8,960.76

Finding the Fourth Proportional to 14,559.48, 20,086.38 and 8,960.76

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Solution

The fourth proportional to 14,559.48, 20,086.38 and 8,960.76 is: 12,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.48 : 20,086.38 = 8,960.76 : x
  2. Step 2: Convert to fraction form
    14,559.48/20,086.38 = 8,960.76/x
  3. Step 3: Cross multiply
    14,559.48x = 20,086.38 × 8,960.76
  4. Step 4: Simplify right side
    14,559.48x = 179,989,230.45
  5. Step 5: Solve for x
    x = 179,989,230.45/14,559.48
  6. Step 6: Final answer
    x = 12,362.34

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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.