Home / 20,693.49-28,557.14-11,262.03

Finding the Fourth Proportional to 20,693.49, 28,557.14 and 11,262.03

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Solution

The fourth proportional to 20,693.49, 28,557.14 and 11,262.03 is: 15,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.49 : 28,557.14 = 11,262.03 : x
  2. Step 2: Convert to fraction form
    20,693.49/28,557.14 = 11,262.03/x
  3. Step 3: Cross multiply
    20,693.49x = 28,557.14 × 11,262.03
  4. Step 4: Simplify right side
    20,693.49x = 321,611,311.08
  5. Step 5: Solve for x
    x = 321,611,311.08/20,693.49
  6. Step 6: Final answer
    x = 15,541.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.