Home / 18,945.51-28,421.97-5,799.84

Finding the Fourth Proportional to 18,945.51, 28,421.97 and 5,799.84

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Solution

The fourth proportional to 18,945.51, 28,421.97 and 5,799.84 is: 8,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.51 : 28,421.97 = 5,799.84 : x
  2. Step 2: Convert to fraction form
    18,945.51/28,421.97 = 5,799.84/x
  3. Step 3: Cross multiply
    18,945.51x = 28,421.97 × 5,799.84
  4. Step 4: Simplify right side
    18,945.51x = 164,842,878.48
  5. Step 5: Solve for x
    x = 164,842,878.48/18,945.51
  6. Step 6: Final answer
    x = 8,700.89

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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.