Home / 15,139.85-22,713.26-7,624.67

Finding the Fourth Proportional to 15,139.85, 22,713.26 and 7,624.67

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Solution

The fourth proportional to 15,139.85, 22,713.26 and 7,624.67 is: 11,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.85 : 22,713.26 = 7,624.67 : x
  2. Step 2: Convert to fraction form
    15,139.85/22,713.26 = 7,624.67/x
  3. Step 3: Cross multiply
    15,139.85x = 22,713.26 × 7,624.67
  4. Step 4: Simplify right side
    15,139.85x = 173,180,960.43
  5. Step 5: Solve for x
    x = 173,180,960.43/15,139.85
  6. Step 6: Final answer
    x = 11,438.75

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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.