Home / 11,240.32-16,775.01-9,994.78

Finding the Fourth Proportional to 11,240.32, 16,775.01 and 9,994.78

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Solution

The fourth proportional to 11,240.32, 16,775.01 and 9,994.78 is: 14,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.32 : 16,775.01 = 9,994.78 : x
  2. Step 2: Convert to fraction form
    11,240.32/16,775.01 = 9,994.78/x
  3. Step 3: Cross multiply
    11,240.32x = 16,775.01 × 9,994.78
  4. Step 4: Simplify right side
    11,240.32x = 167,662,534.45
  5. Step 5: Solve for x
    x = 167,662,534.45/11,240.32
  6. Step 6: Final answer
    x = 14,916.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.