Home / 12,877.43-19,317.56-4,110.30

Finding the Fourth Proportional to 12,877.43, 19,317.56 and 4,110.30

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Solution

The fourth proportional to 12,877.43, 19,317.56 and 4,110.30 is: 6,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.43 : 19,317.56 = 4,110.30 : x
  2. Step 2: Convert to fraction form
    12,877.43/19,317.56 = 4,110.30/x
  3. Step 3: Cross multiply
    12,877.43x = 19,317.56 × 4,110.30
  4. Step 4: Simplify right side
    12,877.43x = 79,400,946.32
  5. Step 5: Solve for x
    x = 79,400,946.32/12,877.43
  6. Step 6: Final answer
    x = 6,165.90

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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.