Home / 14,050.91-21,086.74-6,655.36

Finding the Fourth Proportional to 14,050.91, 21,086.74 and 6,655.36

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Solution

The fourth proportional to 14,050.91, 21,086.74 and 6,655.36 is: 9,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.91 : 21,086.74 = 6,655.36 : x
  2. Step 2: Convert to fraction form
    14,050.91/21,086.74 = 6,655.36/x
  3. Step 3: Cross multiply
    14,050.91x = 21,086.74 × 6,655.36
  4. Step 4: Simplify right side
    14,050.91x = 140,339,845.93
  5. Step 5: Solve for x
    x = 140,339,845.93/14,050.91
  6. Step 6: Final answer
    x = 9,987.95

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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.