Home / 18,386.45-25,208.03-18,054.30

Finding the Fourth Proportional to 18,386.45, 25,208.03 and 18,054.30

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Solution

The fourth proportional to 18,386.45, 25,208.03 and 18,054.30 is: 24,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.45 : 25,208.03 = 18,054.30 : x
  2. Step 2: Convert to fraction form
    18,386.45/25,208.03 = 18,054.30/x
  3. Step 3: Cross multiply
    18,386.45x = 25,208.03 × 18,054.30
  4. Step 4: Simplify right side
    18,386.45x = 455,113,336.03
  5. Step 5: Solve for x
    x = 455,113,336.03/18,386.45
  6. Step 6: Final answer
    x = 24,752.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.