Home / 14,913.52-20,580.86-8,199.77

Finding the Fourth Proportional to 14,913.52, 20,580.86 and 8,199.77

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Solution

The fourth proportional to 14,913.52, 20,580.86 and 8,199.77 is: 11,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.52 : 20,580.86 = 8,199.77 : x
  2. Step 2: Convert to fraction form
    14,913.52/20,580.86 = 8,199.77/x
  3. Step 3: Cross multiply
    14,913.52x = 20,580.86 × 8,199.77
  4. Step 4: Simplify right side
    14,913.52x = 168,758,236.00
  5. Step 5: Solve for x
    x = 168,758,236.00/14,913.52
  6. Step 6: Final answer
    x = 11,315.79

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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.