Home / 10,727.60-16,091.40-7,228.40

Finding the Fourth Proportional to 10,727.60, 16,091.40 and 7,228.40

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Solution

The fourth proportional to 10,727.60, 16,091.40 and 7,228.40 is: 10,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.60 : 16,091.40 = 7,228.40 : x
  2. Step 2: Convert to fraction form
    10,727.60/16,091.40 = 7,228.40/x
  3. Step 3: Cross multiply
    10,727.60x = 16,091.40 × 7,228.40
  4. Step 4: Simplify right side
    10,727.60x = 116,315,075.76
  5. Step 5: Solve for x
    x = 116,315,075.76/10,727.60
  6. Step 6: Final answer
    x = 10,842.60

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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.