Home / 18,173.32-25,075.36-10,717

Finding the Fourth Proportional to 18,173.32, 25,075.36 and 10,717

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Solution

The fourth proportional to 18,173.32, 25,075.36 and 10,717 is: 14,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.32 : 25,075.36 = 10,717 : x
  2. Step 2: Convert to fraction form
    18,173.32/25,075.36 = 10,717/x
  3. Step 3: Cross multiply
    18,173.32x = 25,075.36 × 10,717
  4. Step 4: Simplify right side
    18,173.32x = 268,732,633.12
  5. Step 5: Solve for x
    x = 268,732,633.12/18,173.32
  6. Step 6: Final answer
    x = 14,787.21

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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.