Home / 21,051.42-31,577.94-6,260.82

Finding the Fourth Proportional to 21,051.42, 31,577.94 and 6,260.82

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Solution

The fourth proportional to 21,051.42, 31,577.94 and 6,260.82 is: 9,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.42 : 31,577.94 = 6,260.82 : x
  2. Step 2: Convert to fraction form
    21,051.42/31,577.94 = 6,260.82/x
  3. Step 3: Cross multiply
    21,051.42x = 31,577.94 × 6,260.82
  4. Step 4: Simplify right side
    21,051.42x = 197,703,798.31
  5. Step 5: Solve for x
    x = 197,703,798.31/21,051.42
  6. Step 6: Final answer
    x = 9,391.47

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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.