Home / 13,973.52-20,955.78-4,611.36

Finding the Fourth Proportional to 13,973.52, 20,955.78 and 4,611.36

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Solution

The fourth proportional to 13,973.52, 20,955.78 and 4,611.36 is: 6,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.52 : 20,955.78 = 4,611.36 : x
  2. Step 2: Convert to fraction form
    13,973.52/20,955.78 = 4,611.36/x
  3. Step 3: Cross multiply
    13,973.52x = 20,955.78 × 4,611.36
  4. Step 4: Simplify right side
    13,973.52x = 96,634,645.66
  5. Step 5: Solve for x
    x = 96,634,645.66/13,973.52
  6. Step 6: Final answer
    x = 6,915.55

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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.