Home / 11,214.55-16,803.60-7,047.10

Finding the Fourth Proportional to 11,214.55, 16,803.60 and 7,047.10

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Solution

The fourth proportional to 11,214.55, 16,803.60 and 7,047.10 is: 10,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.55 : 16,803.60 = 7,047.10 : x
  2. Step 2: Convert to fraction form
    11,214.55/16,803.60 = 7,047.10/x
  3. Step 3: Cross multiply
    11,214.55x = 16,803.60 × 7,047.10
  4. Step 4: Simplify right side
    11,214.55x = 118,416,649.56
  5. Step 5: Solve for x
    x = 118,416,649.56/11,214.55
  6. Step 6: Final answer
    x = 10,559.20

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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.