Home / 12,887.59-19,334.41-4,002.47

Finding the Fourth Proportional to 12,887.59, 19,334.41 and 4,002.47

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Solution

The fourth proportional to 12,887.59, 19,334.41 and 4,002.47 is: 6,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.59 : 19,334.41 = 4,002.47 : x
  2. Step 2: Convert to fraction form
    12,887.59/19,334.41 = 4,002.47/x
  3. Step 3: Cross multiply
    12,887.59x = 19,334.41 × 4,002.47
  4. Step 4: Simplify right side
    12,887.59x = 77,385,395.99
  5. Step 5: Solve for x
    x = 77,385,395.99/12,887.59
  6. Step 6: Final answer
    x = 6,004.64

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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.