Home / 15,016.03-20,719.92-8,555.74

Finding the Fourth Proportional to 15,016.03, 20,719.92 and 8,555.74

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Solution

The fourth proportional to 15,016.03, 20,719.92 and 8,555.74 is: 11,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.03 : 20,719.92 = 8,555.74 : x
  2. Step 2: Convert to fraction form
    15,016.03/20,719.92 = 8,555.74/x
  3. Step 3: Cross multiply
    15,016.03x = 20,719.92 × 8,555.74
  4. Step 4: Simplify right side
    15,016.03x = 177,274,248.34
  5. Step 5: Solve for x
    x = 177,274,248.34/15,016.03
  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.