Home / 14,000.76-21,008.43-6,207.75

Finding the Fourth Proportional to 14,000.76, 21,008.43 and 6,207.75

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Solution

The fourth proportional to 14,000.76, 21,008.43 and 6,207.75 is: 9,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.76 : 21,008.43 = 6,207.75 : x
  2. Step 2: Convert to fraction form
    14,000.76/21,008.43 = 6,207.75/x
  3. Step 3: Cross multiply
    14,000.76x = 21,008.43 × 6,207.75
  4. Step 4: Simplify right side
    14,000.76x = 130,415,081.33
  5. Step 5: Solve for x
    x = 130,415,081.33/14,000.76
  6. Step 6: Final answer
    x = 9,314.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.