Home / 12,741.24-17,580.07-7,705.35

Finding the Fourth Proportional to 12,741.24, 17,580.07 and 7,705.35

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Solution

The fourth proportional to 12,741.24, 17,580.07 and 7,705.35 is: 10,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.24 : 17,580.07 = 7,705.35 : x
  2. Step 2: Convert to fraction form
    12,741.24/17,580.07 = 7,705.35/x
  3. Step 3: Cross multiply
    12,741.24x = 17,580.07 × 7,705.35
  4. Step 4: Simplify right side
    12,741.24x = 135,460,573.11
  5. Step 5: Solve for x
    x = 135,460,573.11/12,741.24
  6. Step 6: Final answer
    x = 10,631.66

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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.