Home / 13,537.90-20,306.13-4,303.18

Finding the Fourth Proportional to 13,537.90, 20,306.13 and 4,303.18

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Solution

The fourth proportional to 13,537.90, 20,306.13 and 4,303.18 is: 6,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.90 : 20,306.13 = 4,303.18 : x
  2. Step 2: Convert to fraction form
    13,537.90/20,306.13 = 4,303.18/x
  3. Step 3: Cross multiply
    13,537.90x = 20,306.13 × 4,303.18
  4. Step 4: Simplify right side
    13,537.90x = 87,380,932.49
  5. Step 5: Solve for x
    x = 87,380,932.49/13,537.90
  6. Step 6: Final answer
    x = 6,454.54

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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.