Home / 13,277.12-18,323.36-9,500.64

Finding the Fourth Proportional to 13,277.12, 18,323.36 and 9,500.64

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Solution

The fourth proportional to 13,277.12, 18,323.36 and 9,500.64 is: 13,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.12 : 18,323.36 = 9,500.64 : x
  2. Step 2: Convert to fraction form
    13,277.12/18,323.36 = 9,500.64/x
  3. Step 3: Cross multiply
    13,277.12x = 18,323.36 × 9,500.64
  4. Step 4: Simplify right side
    13,277.12x = 174,083,646.95
  5. Step 5: Solve for x
    x = 174,083,646.95/13,277.12
  6. Step 6: Final answer
    x = 13,111.55

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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.