Home / 11,225.06-16,843.28-7,479.40

Finding the Fourth Proportional to 11,225.06, 16,843.28 and 7,479.40

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Solution

The fourth proportional to 11,225.06, 16,843.28 and 7,479.40 is: 11,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.06 : 16,843.28 = 7,479.40 : x
  2. Step 2: Convert to fraction form
    11,225.06/16,843.28 = 7,479.40/x
  3. Step 3: Cross multiply
    11,225.06x = 16,843.28 × 7,479.40
  4. Step 4: Simplify right side
    11,225.06x = 125,977,533.14
  5. Step 5: Solve for x
    x = 125,977,533.14/11,225.06
  6. Step 6: Final answer
    x = 11,222.88

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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.