Home / 18,230.05-25,157.96-10,271.80

Finding the Fourth Proportional to 18,230.05, 25,157.96 and 10,271.80

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Solution

The fourth proportional to 18,230.05, 25,157.96 and 10,271.80 is: 14,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.05 : 25,157.96 = 10,271.80 : x
  2. Step 2: Convert to fraction form
    18,230.05/25,157.96 = 10,271.80/x
  3. Step 3: Cross multiply
    18,230.05x = 25,157.96 × 10,271.80
  4. Step 4: Simplify right side
    18,230.05x = 258,417,533.53
  5. Step 5: Solve for x
    x = 258,417,533.53/18,230.05
  6. Step 6: Final answer
    x = 14,175.36

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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.