Home / 14,621.21-20,176.33-8,333.18

Finding the Fourth Proportional to 14,621.21, 20,176.33 and 8,333.18

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Solution

The fourth proportional to 14,621.21, 20,176.33 and 8,333.18 is: 11,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.21 : 20,176.33 = 8,333.18 : x
  2. Step 2: Convert to fraction form
    14,621.21/20,176.33 = 8,333.18/x
  3. Step 3: Cross multiply
    14,621.21x = 20,176.33 × 8,333.18
  4. Step 4: Simplify right side
    14,621.21x = 168,133,085.33
  5. Step 5: Solve for x
    x = 168,133,085.33/14,621.21
  6. Step 6: Final answer
    x = 11,499.26

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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.