Home / 11,305.05-15,606.32-7,534.50

Finding the Fourth Proportional to 11,305.05, 15,606.32 and 7,534.50

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Solution

The fourth proportional to 11,305.05, 15,606.32 and 7,534.50 is: 10,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.05 : 15,606.32 = 7,534.50 : x
  2. Step 2: Convert to fraction form
    11,305.05/15,606.32 = 7,534.50/x
  3. Step 3: Cross multiply
    11,305.05x = 15,606.32 × 7,534.50
  4. Step 4: Simplify right side
    11,305.05x = 117,585,764.23
  5. Step 5: Solve for x
    x = 117,585,764.23/11,305.05
  6. Step 6: Final answer
    x = 10,401.17

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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.