Home / 14,608.08-20,154.65-8,936.91

Finding the Fourth Proportional to 14,608.08, 20,154.65 and 8,936.91

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Solution

The fourth proportional to 14,608.08, 20,154.65 and 8,936.91 is: 12,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.08 : 20,154.65 = 8,936.91 : x
  2. Step 2: Convert to fraction form
    14,608.08/20,154.65 = 8,936.91/x
  3. Step 3: Cross multiply
    14,608.08x = 20,154.65 × 8,936.91
  4. Step 4: Simplify right side
    14,608.08x = 180,120,400.99
  5. Step 5: Solve for x
    x = 180,120,400.99/14,608.08
  6. Step 6: Final answer
    x = 12,330.19

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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.