Home / 13,532.08-18,667.92-8,814.64

Finding the Fourth Proportional to 13,532.08, 18,667.92 and 8,814.64

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Solution

The fourth proportional to 13,532.08, 18,667.92 and 8,814.64 is: 12,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.08 : 18,667.92 = 8,814.64 : x
  2. Step 2: Convert to fraction form
    13,532.08/18,667.92 = 8,814.64/x
  3. Step 3: Cross multiply
    13,532.08x = 18,667.92 × 8,814.64
  4. Step 4: Simplify right side
    13,532.08x = 164,550,994.35
  5. Step 5: Solve for x
    x = 164,550,994.35/13,532.08
  6. Step 6: Final answer
    x = 12,160.07

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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.