Home / 14,365.44-21,503.60-7,775.28

Finding the Fourth Proportional to 14,365.44, 21,503.60 and 7,775.28

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Solution

The fourth proportional to 14,365.44, 21,503.60 and 7,775.28 is: 11,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365.44 : 21,503.60 = 7,775.28 : x
  2. Step 2: Convert to fraction form
    14,365.44/21,503.60 = 7,775.28/x
  3. Step 3: Cross multiply
    14,365.44x = 21,503.60 × 7,775.28
  4. Step 4: Simplify right side
    14,365.44x = 167,196,422.93
  5. Step 5: Solve for x
    x = 167,196,422.93/14,365.44
  6. Step 6: Final answer
    x = 11,638.80

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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.