Home / 15,379.99-23,073.23-8,719.67

Finding the Fourth Proportional to 15,379.99, 23,073.23 and 8,719.67

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Solution

The fourth proportional to 15,379.99, 23,073.23 and 8,719.67 is: 13,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.99 : 23,073.23 = 8,719.67 : x
  2. Step 2: Convert to fraction form
    15,379.99/23,073.23 = 8,719.67/x
  3. Step 3: Cross multiply
    15,379.99x = 23,073.23 × 8,719.67
  4. Step 4: Simplify right side
    15,379.99x = 201,191,030.92
  5. Step 5: Solve for x
    x = 201,191,030.92/15,379.99
  6. Step 6: Final answer
    x = 13,081.35

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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.