Home / 16,868.64-25,302.96-5,180.34

Finding the Fourth Proportional to 16,868.64, 25,302.96 and 5,180.34

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Solution

The fourth proportional to 16,868.64, 25,302.96 and 5,180.34 is: 7,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.64 : 25,302.96 = 5,180.34 : x
  2. Step 2: Convert to fraction form
    16,868.64/25,302.96 = 5,180.34/x
  3. Step 3: Cross multiply
    16,868.64x = 25,302.96 × 5,180.34
  4. Step 4: Simplify right side
    16,868.64x = 131,077,935.81
  5. Step 5: Solve for x
    x = 131,077,935.81/16,868.64
  6. Step 6: Final answer
    x = 7,770.51

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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.