Home / 11,814.64-17,715.40-5,482.60

Finding the Fourth Proportional to 11,814.64, 17,715.40 and 5,482.60

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Solution

The fourth proportional to 11,814.64, 17,715.40 and 5,482.60 is: 8,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.64 : 17,715.40 = 5,482.60 : x
  2. Step 2: Convert to fraction form
    11,814.64/17,715.40 = 5,482.60/x
  3. Step 3: Cross multiply
    11,814.64x = 17,715.40 × 5,482.60
  4. Step 4: Simplify right side
    11,814.64x = 97,126,452.04
  5. Step 5: Solve for x
    x = 97,126,452.04/11,814.64
  6. Step 6: Final answer
    x = 8,220.86

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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.