Home / 14,621.01-20,171.75-8,329.74

Finding the Fourth Proportional to 14,621.01, 20,171.75 and 8,329.74

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Solution

The fourth proportional to 14,621.01, 20,171.75 and 8,329.74 is: 11,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.01 : 20,171.75 = 8,329.74 : x
  2. Step 2: Convert to fraction form
    14,621.01/20,171.75 = 8,329.74/x
  3. Step 3: Cross multiply
    14,621.01x = 20,171.75 × 8,329.74
  4. Step 4: Simplify right side
    14,621.01x = 168,025,391.20
  5. Step 5: Solve for x
    x = 168,025,391.20/14,621.01
  6. Step 6: Final answer
    x = 11,492.05

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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.