Home / 9,427.59-14,139.05-3,187.46

Finding the Fourth Proportional to 9,427.59, 14,139.05 and 3,187.46

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Solution

The fourth proportional to 9,427.59, 14,139.05 and 3,187.46 is: 4,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.59 : 14,139.05 = 3,187.46 : x
  2. Step 2: Convert to fraction form
    9,427.59/14,139.05 = 3,187.46/x
  3. Step 3: Cross multiply
    9,427.59x = 14,139.05 × 3,187.46
  4. Step 4: Simplify right side
    9,427.59x = 45,067,569.68
  5. Step 5: Solve for x
    x = 45,067,569.68/9,427.59
  6. Step 6: Final answer
    x = 4,780.39

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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.