Home / 14,519.04-21,778.56-4,130.79

Finding the Fourth Proportional to 14,519.04, 21,778.56 and 4,130.79

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Solution

The fourth proportional to 14,519.04, 21,778.56 and 4,130.79 is: 6,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.04 : 21,778.56 = 4,130.79 : x
  2. Step 2: Convert to fraction form
    14,519.04/21,778.56 = 4,130.79/x
  3. Step 3: Cross multiply
    14,519.04x = 21,778.56 × 4,130.79
  4. Step 4: Simplify right side
    14,519.04x = 89,962,649.06
  5. Step 5: Solve for x
    x = 89,962,649.06/14,519.04
  6. Step 6: Final answer
    x = 6,196.18

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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.