Home / 15,268.41-21,071.34-8,554.46

Finding the Fourth Proportional to 15,268.41, 21,071.34 and 8,554.46

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Solution

The fourth proportional to 15,268.41, 21,071.34 and 8,554.46 is: 11,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.41 : 21,071.34 = 8,554.46 : x
  2. Step 2: Convert to fraction form
    15,268.41/21,071.34 = 8,554.46/x
  3. Step 3: Cross multiply
    15,268.41x = 21,071.34 × 8,554.46
  4. Step 4: Simplify right side
    15,268.41x = 180,253,829.82
  5. Step 5: Solve for x
    x = 180,253,829.82/15,268.41
  6. Step 6: Final answer
    x = 11,805.67

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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.