Home / 13,116.56-19,679.80-5,327.44

Finding the Fourth Proportional to 13,116.56, 19,679.80 and 5,327.44

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Solution

The fourth proportional to 13,116.56, 19,679.80 and 5,327.44 is: 7,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.56 : 19,679.80 = 5,327.44 : x
  2. Step 2: Convert to fraction form
    13,116.56/19,679.80 = 5,327.44/x
  3. Step 3: Cross multiply
    13,116.56x = 19,679.80 × 5,327.44
  4. Step 4: Simplify right side
    13,116.56x = 104,842,953.71
  5. Step 5: Solve for x
    x = 104,842,953.71/13,116.56
  6. Step 6: Final answer
    x = 7,993.17

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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.