Home / 11,211.48-16,784.40-8,855.04

Finding the Fourth Proportional to 11,211.48, 16,784.40 and 8,855.04

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Solution

The fourth proportional to 11,211.48, 16,784.40 and 8,855.04 is: 13,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.48 : 16,784.40 = 8,855.04 : x
  2. Step 2: Convert to fraction form
    11,211.48/16,784.40 = 8,855.04/x
  3. Step 3: Cross multiply
    11,211.48x = 16,784.40 × 8,855.04
  4. Step 4: Simplify right side
    11,211.48x = 148,626,533.38
  5. Step 5: Solve for x
    x = 148,626,533.38/11,211.48
  6. Step 6: Final answer
    x = 13,256.64

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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.