Home / 11,133.45-15,362.67-6,354.06

Finding the Fourth Proportional to 11,133.45, 15,362.67 and 6,354.06

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Solution

The fourth proportional to 11,133.45, 15,362.67 and 6,354.06 is: 8,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.45 : 15,362.67 = 6,354.06 : x
  2. Step 2: Convert to fraction form
    11,133.45/15,362.67 = 6,354.06/x
  3. Step 3: Cross multiply
    11,133.45x = 15,362.67 × 6,354.06
  4. Step 4: Simplify right side
    11,133.45x = 97,615,326.94
  5. Step 5: Solve for x
    x = 97,615,326.94/11,133.45
  6. Step 6: Final answer
    x = 8,767.75

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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.