Home / 13,308.13-19,962.20-4,074.13

Finding the Fourth Proportional to 13,308.13, 19,962.20 and 4,074.13

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Solution

The fourth proportional to 13,308.13, 19,962.20 and 4,074.13 is: 6,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.13 : 19,962.20 = 4,074.13 : x
  2. Step 2: Convert to fraction form
    13,308.13/19,962.20 = 4,074.13/x
  3. Step 3: Cross multiply
    13,308.13x = 19,962.20 × 4,074.13
  4. Step 4: Simplify right side
    13,308.13x = 81,328,597.89
  5. Step 5: Solve for x
    x = 81,328,597.89/13,308.13
  6. Step 6: Final answer
    x = 6,111.20

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Similar ratio
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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.