Home / 11,687.36-17,540.28-10,303.40

Finding the Fourth Proportional to 11,687.36, 17,540.28 and 10,303.40

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Solution

The fourth proportional to 11,687.36, 17,540.28 and 10,303.40 is: 15,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.36 : 17,540.28 = 10,303.40 : x
  2. Step 2: Convert to fraction form
    11,687.36/17,540.28 = 10,303.40/x
  3. Step 3: Cross multiply
    11,687.36x = 17,540.28 × 10,303.40
  4. Step 4: Simplify right side
    11,687.36x = 180,724,564.80
  5. Step 5: Solve for x
    x = 180,724,564.80/11,687.36
  6. Step 6: Final answer
    x = 15,463.26

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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.