Home / 16,715.64-25,075.64-5,617.56

Finding the Fourth Proportional to 16,715.64, 25,075.64 and 5,617.56

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Solution

The fourth proportional to 16,715.64, 25,075.64 and 5,617.56 is: 8,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.64 : 25,075.64 = 5,617.56 : x
  2. Step 2: Convert to fraction form
    16,715.64/25,075.64 = 5,617.56/x
  3. Step 3: Cross multiply
    16,715.64x = 25,075.64 × 5,617.56
  4. Step 4: Simplify right side
    16,715.64x = 140,863,912.24
  5. Step 5: Solve for x
    x = 140,863,912.24/16,715.64
  6. Step 6: Final answer
    x = 8,427.07

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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.