Home / 11,091.70-16,637.55-10,909.45

Finding the Fourth Proportional to 11,091.70, 16,637.55 and 10,909.45

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Solution

The fourth proportional to 11,091.70, 16,637.55 and 10,909.45 is: 16,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.70 : 16,637.55 = 10,909.45 : x
  2. Step 2: Convert to fraction form
    11,091.70/16,637.55 = 10,909.45/x
  3. Step 3: Cross multiply
    11,091.70x = 16,637.55 × 10,909.45
  4. Step 4: Simplify right side
    11,091.70x = 181,506,519.85
  5. Step 5: Solve for x
    x = 181,506,519.85/11,091.70
  6. Step 6: Final answer
    x = 16,364.18

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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.