Home / 9,877.19-14,813.60-2,855.68

Finding the Fourth Proportional to 9,877.19, 14,813.60 and 2,855.68

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Solution

The fourth proportional to 9,877.19, 14,813.60 and 2,855.68 is: 4,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.19 : 14,813.60 = 2,855.68 : x
  2. Step 2: Convert to fraction form
    9,877.19/14,813.60 = 2,855.68/x
  3. Step 3: Cross multiply
    9,877.19x = 14,813.60 × 2,855.68
  4. Step 4: Simplify right side
    9,877.19x = 42,302,849.94
  5. Step 5: Solve for x
    x = 42,302,849.94/9,877.19
  6. Step 6: Final answer
    x = 4,282.88

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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.