Home / 14,927.05-20,598.90-8,120.86

Finding the Fourth Proportional to 14,927.05, 20,598.90 and 8,120.86

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Solution

The fourth proportional to 14,927.05, 20,598.90 and 8,120.86 is: 11,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.05 : 20,598.90 = 8,120.86 : x
  2. Step 2: Convert to fraction form
    14,927.05/20,598.90 = 8,120.86/x
  3. Step 3: Cross multiply
    14,927.05x = 20,598.90 × 8,120.86
  4. Step 4: Simplify right side
    14,927.05x = 167,280,783.05
  5. Step 5: Solve for x
    x = 167,280,783.05/14,927.05
  6. Step 6: Final answer
    x = 11,206.55

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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.