Home / 13,277.64-18,324.81-7,613.31

Finding the Fourth Proportional to 13,277.64, 18,324.81 and 7,613.31

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Solution

The fourth proportional to 13,277.64, 18,324.81 and 7,613.31 is: 10,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.64 : 18,324.81 = 7,613.31 : x
  2. Step 2: Convert to fraction form
    13,277.64/18,324.81 = 7,613.31/x
  3. Step 3: Cross multiply
    13,277.64x = 18,324.81 × 7,613.31
  4. Step 4: Simplify right side
    13,277.64x = 139,512,459.22
  5. Step 5: Solve for x
    x = 139,512,459.22/13,277.64
  6. Step 6: Final answer
    x = 10,507.32

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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.