Home / 9,518.38-14,284.58-4,520.78

Finding the Fourth Proportional to 9,518.38, 14,284.58 and 4,520.78

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Solution

The fourth proportional to 9,518.38, 14,284.58 and 4,520.78 is: 6,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.38 : 14,284.58 = 4,520.78 : x
  2. Step 2: Convert to fraction form
    9,518.38/14,284.58 = 4,520.78/x
  3. Step 3: Cross multiply
    9,518.38x = 14,284.58 × 4,520.78
  4. Step 4: Simplify right side
    9,518.38x = 64,577,443.57
  5. Step 5: Solve for x
    x = 64,577,443.57/9,518.38
  6. Step 6: Final answer
    x = 6,784.50

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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.