Home / 21,970.14-32,957.01-6,387.75

Finding the Fourth Proportional to 21,970.14, 32,957.01 and 6,387.75

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Solution

The fourth proportional to 21,970.14, 32,957.01 and 6,387.75 is: 9,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,970.14 : 32,957.01 = 6,387.75 : x
  2. Step 2: Convert to fraction form
    21,970.14/32,957.01 = 6,387.75/x
  3. Step 3: Cross multiply
    21,970.14x = 32,957.01 × 6,387.75
  4. Step 4: Simplify right side
    21,970.14x = 210,521,140.63
  5. Step 5: Solve for x
    x = 210,521,140.63/21,970.14
  6. Step 6: Final answer
    x = 9,582.15

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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.