Home / 13,580.58-18,741.57-7,612.14

Finding the Fourth Proportional to 13,580.58, 18,741.57 and 7,612.14

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Solution

The fourth proportional to 13,580.58, 18,741.57 and 7,612.14 is: 10,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.58 : 18,741.57 = 7,612.14 : x
  2. Step 2: Convert to fraction form
    13,580.58/18,741.57 = 7,612.14/x
  3. Step 3: Cross multiply
    13,580.58x = 18,741.57 × 7,612.14
  4. Step 4: Simplify right side
    13,580.58x = 142,663,454.66
  5. Step 5: Solve for x
    x = 142,663,454.66/13,580.58
  6. Step 6: Final answer
    x = 10,504.96

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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.