Home / 18,955.94-28,432.89-5,808.35

Finding the Fourth Proportional to 18,955.94, 28,432.89 and 5,808.35

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Solution

The fourth proportional to 18,955.94, 28,432.89 and 5,808.35 is: 8,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.94 : 28,432.89 = 5,808.35 : x
  2. Step 2: Convert to fraction form
    18,955.94/28,432.89 = 5,808.35/x
  3. Step 3: Cross multiply
    18,955.94x = 28,432.89 × 5,808.35
  4. Step 4: Simplify right side
    18,955.94x = 165,148,197.65
  5. Step 5: Solve for x
    x = 165,148,197.65/18,955.94
  6. Step 6: Final answer
    x = 8,712.21

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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.