Home / 21,339.80-32,012.10-6,548.60

Finding the Fourth Proportional to 21,339.80, 32,012.10 and 6,548.60

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Solution

The fourth proportional to 21,339.80, 32,012.10 and 6,548.60 is: 9,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339.80 : 32,012.10 = 6,548.60 : x
  2. Step 2: Convert to fraction form
    21,339.80/32,012.10 = 6,548.60/x
  3. Step 3: Cross multiply
    21,339.80x = 32,012.10 × 6,548.60
  4. Step 4: Simplify right side
    21,339.80x = 209,634,438.06
  5. Step 5: Solve for x
    x = 209,634,438.06/21,339.80
  6. Step 6: Final answer
    x = 9,823.64

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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.