Home / 13,376.59-18,460.29-7,327.26

Finding the Fourth Proportional to 13,376.59, 18,460.29 and 7,327.26

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Solution

The fourth proportional to 13,376.59, 18,460.29 and 7,327.26 is: 10,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.59 : 18,460.29 = 7,327.26 : x
  2. Step 2: Convert to fraction form
    13,376.59/18,460.29 = 7,327.26/x
  3. Step 3: Cross multiply
    13,376.59x = 18,460.29 × 7,327.26
  4. Step 4: Simplify right side
    13,376.59x = 135,263,252.20
  5. Step 5: Solve for x
    x = 135,263,252.20/13,376.59
  6. Step 6: Final answer
    x = 10,111.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.