Home / 21,853.49-32,779.39-6,271.12

Finding the Fourth Proportional to 21,853.49, 32,779.39 and 6,271.12

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Solution

The fourth proportional to 21,853.49, 32,779.39 and 6,271.12 is: 9,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853.49 : 32,779.39 = 6,271.12 : x
  2. Step 2: Convert to fraction form
    21,853.49/32,779.39 = 6,271.12/x
  3. Step 3: Cross multiply
    21,853.49x = 32,779.39 × 6,271.12
  4. Step 4: Simplify right side
    21,853.49x = 205,563,324.32
  5. Step 5: Solve for x
    x = 205,563,324.32/21,853.49
  6. Step 6: Final answer
    x = 9,406.43

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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.