Home / 11,225.55-16,817.25-9,388.47

Finding the Fourth Proportional to 11,225.55, 16,817.25 and 9,388.47

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Solution

The fourth proportional to 11,225.55, 16,817.25 and 9,388.47 is: 14,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.55 : 16,817.25 = 9,388.47 : x
  2. Step 2: Convert to fraction form
    11,225.55/16,817.25 = 9,388.47/x
  3. Step 3: Cross multiply
    11,225.55x = 16,817.25 × 9,388.47
  4. Step 4: Simplify right side
    11,225.55x = 157,888,247.11
  5. Step 5: Solve for x
    x = 157,888,247.11/11,225.55
  6. Step 6: Final answer
    x = 14,065.08

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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.