Home / 18,858.46-28,287.76-5,710.94

Finding the Fourth Proportional to 18,858.46, 28,287.76 and 5,710.94

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Solution

The fourth proportional to 18,858.46, 28,287.76 and 5,710.94 is: 8,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.46 : 28,287.76 = 5,710.94 : x
  2. Step 2: Convert to fraction form
    18,858.46/28,287.76 = 5,710.94/x
  3. Step 3: Cross multiply
    18,858.46x = 28,287.76 × 5,710.94
  4. Step 4: Simplify right side
    18,858.46x = 161,549,700.09
  5. Step 5: Solve for x
    x = 161,549,700.09/18,858.46
  6. Step 6: Final answer
    x = 8,566.43

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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.