Home / 18,852.66-28,270.71-9,486.81

Finding the Fourth Proportional to 18,852.66, 28,270.71 and 9,486.81

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Solution

The fourth proportional to 18,852.66, 28,270.71 and 9,486.81 is: 14,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.66 : 28,270.71 = 9,486.81 : x
  2. Step 2: Convert to fraction form
    18,852.66/28,270.71 = 9,486.81/x
  3. Step 3: Cross multiply
    18,852.66x = 28,270.71 × 9,486.81
  4. Step 4: Simplify right side
    18,852.66x = 268,198,854.34
  5. Step 5: Solve for x
    x = 268,198,854.34/18,852.66
  6. Step 6: Final answer
    x = 14,226.05

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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.