Home / 11,176.64-16,762.80-10,621.60

Finding the Fourth Proportional to 11,176.64, 16,762.80 and 10,621.60

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Solution

The fourth proportional to 11,176.64, 16,762.80 and 10,621.60 is: 15,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.64 : 16,762.80 = 10,621.60 : x
  2. Step 2: Convert to fraction form
    11,176.64/16,762.80 = 10,621.60/x
  3. Step 3: Cross multiply
    11,176.64x = 16,762.80 × 10,621.60
  4. Step 4: Simplify right side
    11,176.64x = 178,047,756.48
  5. Step 5: Solve for x
    x = 178,047,756.48/11,176.64
  6. Step 6: Final answer
    x = 15,930.35

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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.