Home / 18,261.45-25,201.56-10,303.68

Finding the Fourth Proportional to 18,261.45, 25,201.56 and 10,303.68

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Solution

The fourth proportional to 18,261.45, 25,201.56 and 10,303.68 is: 14,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.45 : 25,201.56 = 10,303.68 : x
  2. Step 2: Convert to fraction form
    18,261.45/25,201.56 = 10,303.68/x
  3. Step 3: Cross multiply
    18,261.45x = 25,201.56 × 10,303.68
  4. Step 4: Simplify right side
    18,261.45x = 259,668,809.74
  5. Step 5: Solve for x
    x = 259,668,809.74/18,261.45
  6. Step 6: Final answer
    x = 14,219.51

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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.