Home / 21,816.95-32,695.14-9,941.70

Finding the Fourth Proportional to 21,816.95, 32,695.14 and 9,941.70

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Solution

The fourth proportional to 21,816.95, 32,695.14 and 9,941.70 is: 14,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816.95 : 32,695.14 = 9,941.70 : x
  2. Step 2: Convert to fraction form
    21,816.95/32,695.14 = 9,941.70/x
  3. Step 3: Cross multiply
    21,816.95x = 32,695.14 × 9,941.70
  4. Step 4: Simplify right side
    21,816.95x = 325,045,433.23
  5. Step 5: Solve for x
    x = 325,045,433.23/21,816.95
  6. Step 6: Final answer
    x = 14,898.76

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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.