Home / 21,051.45-31,583.45-6,260.85

Finding the Fourth Proportional to 21,051.45, 31,583.45 and 6,260.85

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Solution

The fourth proportional to 21,051.45, 31,583.45 and 6,260.85 is: 9,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.45 : 31,583.45 = 6,260.85 : x
  2. Step 2: Convert to fraction form
    21,051.45/31,583.45 = 6,260.85/x
  3. Step 3: Cross multiply
    21,051.45x = 31,583.45 × 6,260.85
  4. Step 4: Simplify right side
    21,051.45x = 197,739,258.58
  5. Step 5: Solve for x
    x = 197,739,258.58/21,051.45
  6. Step 6: Final answer
    x = 9,393.14

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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.