Home / 9,354.58-14,033.80-2,780.18

Finding the Fourth Proportional to 9,354.58, 14,033.80 and 2,780.18

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Solution

The fourth proportional to 9,354.58, 14,033.80 and 2,780.18 is: 4,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.58 : 14,033.80 = 2,780.18 : x
  2. Step 2: Convert to fraction form
    9,354.58/14,033.80 = 2,780.18/x
  3. Step 3: Cross multiply
    9,354.58x = 14,033.80 × 2,780.18
  4. Step 4: Simplify right side
    9,354.58x = 39,016,490.08
  5. Step 5: Solve for x
    x = 39,016,490.08/9,354.58
  6. Step 6: Final answer
    x = 4,170.84

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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.