Home / 21,051.84-31,582.96-6,260.70

Finding the Fourth Proportional to 21,051.84, 31,582.96 and 6,260.70

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Solution

The fourth proportional to 21,051.84, 31,582.96 and 6,260.70 is: 9,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.84 : 31,582.96 = 6,260.70 : x
  2. Step 2: Convert to fraction form
    21,051.84/31,582.96 = 6,260.70/x
  3. Step 3: Cross multiply
    21,051.84x = 31,582.96 × 6,260.70
  4. Step 4: Simplify right side
    21,051.84x = 197,731,437.67
  5. Step 5: Solve for x
    x = 197,731,437.67/21,051.84
  6. Step 6: Final answer
    x = 9,392.60

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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.