Home / 13,209.42-19,813.10-4,885.55

Finding the Fourth Proportional to 13,209.42, 19,813.10 and 4,885.55

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Solution

The fourth proportional to 13,209.42, 19,813.10 and 4,885.55 is: 7,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.42 : 19,813.10 = 4,885.55 : x
  2. Step 2: Convert to fraction form
    13,209.42/19,813.10 = 4,885.55/x
  3. Step 3: Cross multiply
    13,209.42x = 19,813.10 × 4,885.55
  4. Step 4: Simplify right side
    13,209.42x = 96,797,767.21
  5. Step 5: Solve for x
    x = 96,797,767.21/13,209.42
  6. Step 6: Final answer
    x = 7,327.93

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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.