Home / 18,360.37-25,335.25-10,400.89

Finding the Fourth Proportional to 18,360.37, 25,335.25 and 10,400.89

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Solution

The fourth proportional to 18,360.37, 25,335.25 and 10,400.89 is: 14,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.37 : 25,335.25 = 10,400.89 : x
  2. Step 2: Convert to fraction form
    18,360.37/25,335.25 = 10,400.89/x
  3. Step 3: Cross multiply
    18,360.37x = 25,335.25 × 10,400.89
  4. Step 4: Simplify right side
    18,360.37x = 263,509,148.37
  5. Step 5: Solve for x
    x = 263,509,148.37/18,360.37
  6. Step 6: Final answer
    x = 14,352.06

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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.