Home / 11,308.40-16,962.60-5,152.40

Finding the Fourth Proportional to 11,308.40, 16,962.60 and 5,152.40

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Solution

The fourth proportional to 11,308.40, 16,962.60 and 5,152.40 is: 7,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.40 : 16,962.60 = 5,152.40 : x
  2. Step 2: Convert to fraction form
    11,308.40/16,962.60 = 5,152.40/x
  3. Step 3: Cross multiply
    11,308.40x = 16,962.60 × 5,152.40
  4. Step 4: Simplify right side
    11,308.40x = 87,398,100.24
  5. Step 5: Solve for x
    x = 87,398,100.24/11,308.40
  6. Step 6: Final answer
    x = 7,728.60

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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.