Home / 13,097.56-19,637.28-4,331.20

Finding the Fourth Proportional to 13,097.56, 19,637.28 and 4,331.20

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Solution

The fourth proportional to 13,097.56, 19,637.28 and 4,331.20 is: 6,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.56 : 19,637.28 = 4,331.20 : x
  2. Step 2: Convert to fraction form
    13,097.56/19,637.28 = 4,331.20/x
  3. Step 3: Cross multiply
    13,097.56x = 19,637.28 × 4,331.20
  4. Step 4: Simplify right side
    13,097.56x = 85,052,987.14
  5. Step 5: Solve for x
    x = 85,052,987.14/13,097.56
  6. Step 6: Final answer
    x = 6,493.80

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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.