Home / 13,011.03-19,522.76-12,462.60

Finding the Fourth Proportional to 13,011.03, 19,522.76 and 12,462.60

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Solution

The fourth proportional to 13,011.03, 19,522.76 and 12,462.60 is: 18,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.03 : 19,522.76 = 12,462.60 : x
  2. Step 2: Convert to fraction form
    13,011.03/19,522.76 = 12,462.60/x
  3. Step 3: Cross multiply
    13,011.03x = 19,522.76 × 12,462.60
  4. Step 4: Simplify right side
    13,011.03x = 243,304,348.78
  5. Step 5: Solve for x
    x = 243,304,348.78/13,011.03
  6. Step 6: Final answer
    x = 18,699.85

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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.