Home / 18,848.28-28,278.57-9,483.81

Finding the Fourth Proportional to 18,848.28, 28,278.57 and 9,483.81

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Solution

The fourth proportional to 18,848.28, 28,278.57 and 9,483.81 is: 14,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.28 : 28,278.57 = 9,483.81 : x
  2. Step 2: Convert to fraction form
    18,848.28/28,278.57 = 9,483.81/x
  3. Step 3: Cross multiply
    18,848.28x = 28,278.57 × 9,483.81
  4. Step 4: Simplify right side
    18,848.28x = 268,188,584.95
  5. Step 5: Solve for x
    x = 268,188,584.95/18,848.28
  6. Step 6: Final answer
    x = 14,228.81

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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.