Home / 21,969.11-32,946.84-7,927.31

Finding the Fourth Proportional to 21,969.11, 32,946.84 and 7,927.31

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Solution

The fourth proportional to 21,969.11, 32,946.84 and 7,927.31 is: 11,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.11 : 32,946.84 = 7,927.31 : x
  2. Step 2: Convert to fraction form
    21,969.11/32,946.84 = 7,927.31/x
  3. Step 3: Cross multiply
    21,969.11x = 32,946.84 × 7,927.31
  4. Step 4: Simplify right side
    21,969.11x = 261,179,916.39
  5. Step 5: Solve for x
    x = 261,179,916.39/21,969.11
  6. Step 6: Final answer
    x = 11,888.51

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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.