Home / 14,774.07-20,387.84-8,059.86

Finding the Fourth Proportional to 14,774.07, 20,387.84 and 8,059.86

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Solution

The fourth proportional to 14,774.07, 20,387.84 and 8,059.86 is: 11,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.07 : 20,387.84 = 8,059.86 : x
  2. Step 2: Convert to fraction form
    14,774.07/20,387.84 = 8,059.86/x
  3. Step 3: Cross multiply
    14,774.07x = 20,387.84 × 8,059.86
  4. Step 4: Simplify right side
    14,774.07x = 164,323,095.80
  5. Step 5: Solve for x
    x = 164,323,095.80/14,774.07
  6. Step 6: Final answer
    x = 11,122.40

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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.