Home / 11,276.84-16,918.08-4,256.84

Finding the Fourth Proportional to 11,276.84, 16,918.08 and 4,256.84

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Solution

The fourth proportional to 11,276.84, 16,918.08 and 4,256.84 is: 6,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.84 : 16,918.08 = 4,256.84 : x
  2. Step 2: Convert to fraction form
    11,276.84/16,918.08 = 4,256.84/x
  3. Step 3: Cross multiply
    11,276.84x = 16,918.08 × 4,256.84
  4. Step 4: Simplify right side
    11,276.84x = 72,017,559.67
  5. Step 5: Solve for x
    x = 72,017,559.67/11,276.84
  6. Step 6: Final answer
    x = 6,386.32

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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.