Home / 13,557.46-18,716.09-8,524.45

Finding the Fourth Proportional to 13,557.46, 18,716.09 and 8,524.45

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Solution

The fourth proportional to 13,557.46, 18,716.09 and 8,524.45 is: 11,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.46 : 18,716.09 = 8,524.45 : x
  2. Step 2: Convert to fraction form
    13,557.46/18,716.09 = 8,524.45/x
  3. Step 3: Cross multiply
    13,557.46x = 18,716.09 × 8,524.45
  4. Step 4: Simplify right side
    13,557.46x = 159,544,325.51
  5. Step 5: Solve for x
    x = 159,544,325.51/13,557.46
  6. Step 6: Final answer
    x = 11,768.01

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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.