Home / 14,287.99-21,432.66-6,898.66

Finding the Fourth Proportional to 14,287.99, 21,432.66 and 6,898.66

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Solution

The fourth proportional to 14,287.99, 21,432.66 and 6,898.66 is: 10,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.99 : 21,432.66 = 6,898.66 : x
  2. Step 2: Convert to fraction form
    14,287.99/21,432.66 = 6,898.66/x
  3. Step 3: Cross multiply
    14,287.99x = 21,432.66 × 6,898.66
  4. Step 4: Simplify right side
    14,287.99x = 147,856,634.24
  5. Step 5: Solve for x
    x = 147,856,634.24/14,287.99
  6. Step 6: Final answer
    x = 10,348.32

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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.