Home / 14,621.51-20,172.43-8,330.24

Finding the Fourth Proportional to 14,621.51, 20,172.43 and 8,330.24

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Solution

The fourth proportional to 14,621.51, 20,172.43 and 8,330.24 is: 11,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.51 : 20,172.43 = 8,330.24 : x
  2. Step 2: Convert to fraction form
    14,621.51/20,172.43 = 8,330.24/x
  3. Step 3: Cross multiply
    14,621.51x = 20,172.43 × 8,330.24
  4. Step 4: Simplify right side
    14,621.51x = 168,041,183.28
  5. Step 5: Solve for x
    x = 168,041,183.28/14,621.51
  6. Step 6: Final answer
    x = 11,492.74

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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.