Home / 11,480.01-17,220.87-4,459.74

Finding the Fourth Proportional to 11,480.01, 17,220.87 and 4,459.74

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Solution

The fourth proportional to 11,480.01, 17,220.87 and 4,459.74 is: 6,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.01 : 17,220.87 = 4,459.74 : x
  2. Step 2: Convert to fraction form
    11,480.01/17,220.87 = 4,459.74/x
  3. Step 3: Cross multiply
    11,480.01x = 17,220.87 × 4,459.74
  4. Step 4: Simplify right side
    11,480.01x = 76,800,602.77
  5. Step 5: Solve for x
    x = 76,800,602.77/11,480.01
  6. Step 6: Final answer
    x = 6,689.94

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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.