Home / 13,488.72-20,226.06-5,166.24

Finding the Fourth Proportional to 13,488.72, 20,226.06 and 5,166.24

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Solution

The fourth proportional to 13,488.72, 20,226.06 and 5,166.24 is: 7,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.72 : 20,226.06 = 5,166.24 : x
  2. Step 2: Convert to fraction form
    13,488.72/20,226.06 = 5,166.24/x
  3. Step 3: Cross multiply
    13,488.72x = 20,226.06 × 5,166.24
  4. Step 4: Simplify right side
    13,488.72x = 104,492,680.21
  5. Step 5: Solve for x
    x = 104,492,680.21/13,488.72
  6. Step 6: Final answer
    x = 7,746.67

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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.