Home / 11,071.42-15,266.01-8,040.40

Finding the Fourth Proportional to 11,071.42, 15,266.01 and 8,040.40

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Solution

The fourth proportional to 11,071.42, 15,266.01 and 8,040.40 is: 11,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.42 : 15,266.01 = 8,040.40 : x
  2. Step 2: Convert to fraction form
    11,071.42/15,266.01 = 8,040.40/x
  3. Step 3: Cross multiply
    11,071.42x = 15,266.01 × 8,040.40
  4. Step 4: Simplify right side
    11,071.42x = 122,744,826.80
  5. Step 5: Solve for x
    x = 122,744,826.80/11,071.42
  6. Step 6: Final answer
    x = 11,086.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.