Home / 13,030.89-19,546.35-3,170.10

Finding the Fourth Proportional to 13,030.89, 19,546.35 and 3,170.10

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Solution

The fourth proportional to 13,030.89, 19,546.35 and 3,170.10 is: 4,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.89 : 19,546.35 = 3,170.10 : x
  2. Step 2: Convert to fraction form
    13,030.89/19,546.35 = 3,170.10/x
  3. Step 3: Cross multiply
    13,030.89x = 19,546.35 × 3,170.10
  4. Step 4: Simplify right side
    13,030.89x = 61,963,884.14
  5. Step 5: Solve for x
    x = 61,963,884.14/13,030.89
  6. Step 6: Final answer
    x = 4,755.15

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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.