Home / 14,222.52-21,314.88-7,557.60

Finding the Fourth Proportional to 14,222.52, 21,314.88 and 7,557.60

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Solution

The fourth proportional to 14,222.52, 21,314.88 and 7,557.60 is: 11,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.52 : 21,314.88 = 7,557.60 : x
  2. Step 2: Convert to fraction form
    14,222.52/21,314.88 = 7,557.60/x
  3. Step 3: Cross multiply
    14,222.52x = 21,314.88 × 7,557.60
  4. Step 4: Simplify right side
    14,222.52x = 161,089,337.09
  5. Step 5: Solve for x
    x = 161,089,337.09/14,222.52
  6. Step 6: Final answer
    x = 11,326.36

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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.