Home / 11,133.36-16,703.28-9,176.40

Finding the Fourth Proportional to 11,133.36, 16,703.28 and 9,176.40

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Solution

The fourth proportional to 11,133.36, 16,703.28 and 9,176.40 is: 13,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.36 : 16,703.28 = 9,176.40 : x
  2. Step 2: Convert to fraction form
    11,133.36/16,703.28 = 9,176.40/x
  3. Step 3: Cross multiply
    11,133.36x = 16,703.28 × 9,176.40
  4. Step 4: Simplify right side
    11,133.36x = 153,275,978.59
  5. Step 5: Solve for x
    x = 153,275,978.59/11,133.36
  6. Step 6: Final answer
    x = 13,767.27

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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.