Home / 14,485.96-21,718.14-9,219.88

Finding the Fourth Proportional to 14,485.96, 21,718.14 and 9,219.88

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Solution

The fourth proportional to 14,485.96, 21,718.14 and 9,219.88 is: 13,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.96 : 21,718.14 = 9,219.88 : x
  2. Step 2: Convert to fraction form
    14,485.96/21,718.14 = 9,219.88/x
  3. Step 3: Cross multiply
    14,485.96x = 21,718.14 × 9,219.88
  4. Step 4: Simplify right side
    14,485.96x = 200,238,644.62
  5. Step 5: Solve for x
    x = 200,238,644.62/14,485.96
  6. Step 6: Final answer
    x = 13,822.95

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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.