Home / 10,946.08-16,416.72-3,153.20

Finding the Fourth Proportional to 10,946.08, 16,416.72 and 3,153.20

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Solution

The fourth proportional to 10,946.08, 16,416.72 and 3,153.20 is: 4,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.08 : 16,416.72 = 3,153.20 : x
  2. Step 2: Convert to fraction form
    10,946.08/16,416.72 = 3,153.20/x
  3. Step 3: Cross multiply
    10,946.08x = 16,416.72 × 3,153.20
  4. Step 4: Simplify right side
    10,946.08x = 51,765,201.50
  5. Step 5: Solve for x
    x = 51,765,201.50/10,946.08
  6. Step 6: Final answer
    x = 4,729.11

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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.