Home / 21,014.94-31,528.49-6,224.14

Finding the Fourth Proportional to 21,014.94, 31,528.49 and 6,224.14

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Solution

The fourth proportional to 21,014.94, 31,528.49 and 6,224.14 is: 9,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.94 : 31,528.49 = 6,224.14 : x
  2. Step 2: Convert to fraction form
    21,014.94/31,528.49 = 6,224.14/x
  3. Step 3: Cross multiply
    21,014.94x = 31,528.49 × 6,224.14
  4. Step 4: Simplify right side
    21,014.94x = 196,237,779.05
  5. Step 5: Solve for x
    x = 196,237,779.05/21,014.94
  6. Step 6: Final answer
    x = 9,338.01

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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.