Home / 14,496.45-20,005.08-8,208.82

Finding the Fourth Proportional to 14,496.45, 20,005.08 and 8,208.82

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Solution

The fourth proportional to 14,496.45, 20,005.08 and 8,208.82 is: 11,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496.45 : 20,005.08 = 8,208.82 : x
  2. Step 2: Convert to fraction form
    14,496.45/20,005.08 = 8,208.82/x
  3. Step 3: Cross multiply
    14,496.45x = 20,005.08 × 8,208.82
  4. Step 4: Simplify right side
    14,496.45x = 164,218,100.81
  5. Step 5: Solve for x
    x = 164,218,100.81/14,496.45
  6. Step 6: Final answer
    x = 11,328.16

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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.