Home / 18,145.36-25,038.88-10,186.03

Finding the Fourth Proportional to 18,145.36, 25,038.88 and 10,186.03

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Solution

The fourth proportional to 18,145.36, 25,038.88 and 10,186.03 is: 14,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.36 : 25,038.88 = 10,186.03 : x
  2. Step 2: Convert to fraction form
    18,145.36/25,038.88 = 10,186.03/x
  3. Step 3: Cross multiply
    18,145.36x = 25,038.88 × 10,186.03
  4. Step 4: Simplify right side
    18,145.36x = 255,046,782.85
  5. Step 5: Solve for x
    x = 255,046,782.85/18,145.36
  6. Step 6: Final answer
    x = 14,055.76

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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.