Home / 21,970.84-32,959.56-6,386.44

Finding the Fourth Proportional to 21,970.84, 32,959.56 and 6,386.44

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Solution

The fourth proportional to 21,970.84, 32,959.56 and 6,386.44 is: 9,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,970.84 : 32,959.56 = 6,386.44 : x
  2. Step 2: Convert to fraction form
    21,970.84/32,959.56 = 6,386.44/x
  3. Step 3: Cross multiply
    21,970.84x = 32,959.56 × 6,386.44
  4. Step 4: Simplify right side
    21,970.84x = 210,494,252.37
  5. Step 5: Solve for x
    x = 210,494,252.37/21,970.84
  6. Step 6: Final answer
    x = 9,580.62

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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.