Home / 14,180.32-21,256.71-6,782.86

Finding the Fourth Proportional to 14,180.32, 21,256.71 and 6,782.86

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Solution

The fourth proportional to 14,180.32, 21,256.71 and 6,782.86 is: 10,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.32 : 21,256.71 = 6,782.86 : x
  2. Step 2: Convert to fraction form
    14,180.32/21,256.71 = 6,782.86/x
  3. Step 3: Cross multiply
    14,180.32x = 21,256.71 × 6,782.86
  4. Step 4: Simplify right side
    14,180.32x = 144,181,287.99
  5. Step 5: Solve for x
    x = 144,181,287.99/14,180.32
  6. Step 6: Final answer
    x = 10,167.70

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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.