Home / 21,511.06-32,271.14-6,721.09

Finding the Fourth Proportional to 21,511.06, 32,271.14 and 6,721.09

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Solution

The fourth proportional to 21,511.06, 32,271.14 and 6,721.09 is: 10,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.06 : 32,271.14 = 6,721.09 : x
  2. Step 2: Convert to fraction form
    21,511.06/32,271.14 = 6,721.09/x
  3. Step 3: Cross multiply
    21,511.06x = 32,271.14 × 6,721.09
  4. Step 4: Simplify right side
    21,511.06x = 216,897,041.38
  5. Step 5: Solve for x
    x = 216,897,041.38/21,511.06
  6. Step 6: Final answer
    x = 10,083.05

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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.