Home / 11,015.04-15,203.52-9,371.52

Finding the Fourth Proportional to 11,015.04, 15,203.52 and 9,371.52

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Solution

The fourth proportional to 11,015.04, 15,203.52 and 9,371.52 is: 12,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.04 : 15,203.52 = 9,371.52 : x
  2. Step 2: Convert to fraction form
    11,015.04/15,203.52 = 9,371.52/x
  3. Step 3: Cross multiply
    11,015.04x = 15,203.52 × 9,371.52
  4. Step 4: Simplify right side
    11,015.04x = 142,480,091.75
  5. Step 5: Solve for x
    x = 142,480,091.75/11,015.04
  6. Step 6: Final answer
    x = 12,935.05

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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.