Home / 18,261.62-25,201.08-10,303.86

Finding the Fourth Proportional to 18,261.62, 25,201.08 and 10,303.86

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Solution

The fourth proportional to 18,261.62, 25,201.08 and 10,303.86 is: 14,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.62 : 25,201.08 = 10,303.86 : x
  2. Step 2: Convert to fraction form
    18,261.62/25,201.08 = 10,303.86/x
  3. Step 3: Cross multiply
    18,261.62x = 25,201.08 × 10,303.86
  4. Step 4: Simplify right side
    18,261.62x = 259,668,400.17
  5. Step 5: Solve for x
    x = 259,668,400.17/18,261.62
  6. Step 6: Final answer
    x = 14,219.35

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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.