Home / 11,109.40-16,637.10-5,903.80

Finding the Fourth Proportional to 11,109.40, 16,637.10 and 5,903.80

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Solution

The fourth proportional to 11,109.40, 16,637.10 and 5,903.80 is: 8,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.40 : 16,637.10 = 5,903.80 : x
  2. Step 2: Convert to fraction form
    11,109.40/16,637.10 = 5,903.80/x
  3. Step 3: Cross multiply
    11,109.40x = 16,637.10 × 5,903.80
  4. Step 4: Simplify right side
    11,109.40x = 98,222,110.98
  5. Step 5: Solve for x
    x = 98,222,110.98/11,109.40
  6. Step 6: Final answer
    x = 8,841.35

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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.