Home / 11,122.56-16,672.32-9,154.08

Finding the Fourth Proportional to 11,122.56, 16,672.32 and 9,154.08

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Solution

The fourth proportional to 11,122.56, 16,672.32 and 9,154.08 is: 13,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.56 : 16,672.32 = 9,154.08 : x
  2. Step 2: Convert to fraction form
    11,122.56/16,672.32 = 9,154.08/x
  3. Step 3: Cross multiply
    11,122.56x = 16,672.32 × 9,154.08
  4. Step 4: Simplify right side
    11,122.56x = 152,619,751.07
  5. Step 5: Solve for x
    x = 152,619,751.07/11,122.56
  6. Step 6: Final answer
    x = 13,721.64

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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.