Home / 13,261.57-18,300.96-7,293.64

Finding the Fourth Proportional to 13,261.57, 18,300.96 and 7,293.64

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Solution

The fourth proportional to 13,261.57, 18,300.96 and 7,293.64 is: 10,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.57 : 18,300.96 = 7,293.64 : x
  2. Step 2: Convert to fraction form
    13,261.57/18,300.96 = 7,293.64/x
  3. Step 3: Cross multiply
    13,261.57x = 18,300.96 × 7,293.64
  4. Step 4: Simplify right side
    13,261.57x = 133,480,613.89
  5. Step 5: Solve for x
    x = 133,480,613.89/13,261.57
  6. Step 6: Final answer
    x = 10,065.22

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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.