Home / 12,877.39-19,317.71-4,555.45

Finding the Fourth Proportional to 12,877.39, 19,317.71 and 4,555.45

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Solution

The fourth proportional to 12,877.39, 19,317.71 and 4,555.45 is: 6,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.39 : 19,317.71 = 4,555.45 : x
  2. Step 2: Convert to fraction form
    12,877.39/19,317.71 = 4,555.45/x
  3. Step 3: Cross multiply
    12,877.39x = 19,317.71 × 4,555.45
  4. Step 4: Simplify right side
    12,877.39x = 88,000,862.02
  5. Step 5: Solve for x
    x = 88,000,862.02/12,877.39
  6. Step 6: Final answer
    x = 6,833.75

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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.