Home / 11,513.80-17,246.40-9,035.20

Finding the Fourth Proportional to 11,513.80, 17,246.40 and 9,035.20

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Solution

The fourth proportional to 11,513.80, 17,246.40 and 9,035.20 is: 13,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.80 : 17,246.40 = 9,035.20 : x
  2. Step 2: Convert to fraction form
    11,513.80/17,246.40 = 9,035.20/x
  3. Step 3: Cross multiply
    11,513.80x = 17,246.40 × 9,035.20
  4. Step 4: Simplify right side
    11,513.80x = 155,824,673.28
  5. Step 5: Solve for x
    x = 155,824,673.28/11,513.80
  6. Step 6: Final answer
    x = 13,533.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.