Home / 13,535.20-20,306.90-6,137.67

Finding the Fourth Proportional to 13,535.20, 20,306.90 and 6,137.67

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Solution

The fourth proportional to 13,535.20, 20,306.90 and 6,137.67 is: 9,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.20 : 20,306.90 = 6,137.67 : x
  2. Step 2: Convert to fraction form
    13,535.20/20,306.90 = 6,137.67/x
  3. Step 3: Cross multiply
    13,535.20x = 20,306.90 × 6,137.67
  4. Step 4: Simplify right side
    13,535.20x = 124,637,020.23
  5. Step 5: Solve for x
    x = 124,637,020.23/13,535.20
  6. Step 6: Final answer
    x = 9,208.36

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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.