Home / 18,435.58-27,649.65-5,284.42

Finding the Fourth Proportional to 18,435.58, 27,649.65 and 5,284.42

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Solution

The fourth proportional to 18,435.58, 27,649.65 and 5,284.42 is: 7,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.58 : 27,649.65 = 5,284.42 : x
  2. Step 2: Convert to fraction form
    18,435.58/27,649.65 = 5,284.42/x
  3. Step 3: Cross multiply
    18,435.58x = 27,649.65 × 5,284.42
  4. Step 4: Simplify right side
    18,435.58x = 146,112,363.45
  5. Step 5: Solve for x
    x = 146,112,363.45/18,435.58
  6. Step 6: Final answer
    x = 7,925.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.