Home / 13,433.91-20,158.97-4,674.98

Finding the Fourth Proportional to 13,433.91, 20,158.97 and 4,674.98

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Solution

The fourth proportional to 13,433.91, 20,158.97 and 4,674.98 is: 7,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.91 : 20,158.97 = 4,674.98 : x
  2. Step 2: Convert to fraction form
    13,433.91/20,158.97 = 4,674.98/x
  3. Step 3: Cross multiply
    13,433.91x = 20,158.97 × 4,674.98
  4. Step 4: Simplify right side
    13,433.91x = 94,242,657.40
  5. Step 5: Solve for x
    x = 94,242,657.40/13,433.91
  6. Step 6: Final answer
    x = 7,015.28

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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.