Home / 18,864.44-28,300.72-5,717.84

Finding the Fourth Proportional to 18,864.44, 28,300.72 and 5,717.84

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Solution

The fourth proportional to 18,864.44, 28,300.72 and 5,717.84 is: 8,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.44 : 28,300.72 = 5,717.84 : x
  2. Step 2: Convert to fraction form
    18,864.44/28,300.72 = 5,717.84/x
  3. Step 3: Cross multiply
    18,864.44x = 28,300.72 × 5,717.84
  4. Step 4: Simplify right side
    18,864.44x = 161,818,988.84
  5. Step 5: Solve for x
    x = 161,818,988.84/18,864.44
  6. Step 6: Final answer
    x = 8,577.99

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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.