Home / 16,941.28-23,381.76-9,871.84

Finding the Fourth Proportional to 16,941.28, 23,381.76 and 9,871.84

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Solution

The fourth proportional to 16,941.28, 23,381.76 and 9,871.84 is: 13,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.28 : 23,381.76 = 9,871.84 : x
  2. Step 2: Convert to fraction form
    16,941.28/23,381.76 = 9,871.84/x
  3. Step 3: Cross multiply
    16,941.28x = 23,381.76 × 9,871.84
  4. Step 4: Simplify right side
    16,941.28x = 230,820,993.64
  5. Step 5: Solve for x
    x = 230,820,993.64/16,941.28
  6. Step 6: Final answer
    x = 13,624.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.