Home / 9,427.90-14,141.40-3,187.30

Finding the Fourth Proportional to 9,427.90, 14,141.40 and 3,187.30

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Solution

The fourth proportional to 9,427.90, 14,141.40 and 3,187.30 is: 4,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.90 : 14,141.40 = 3,187.30 : x
  2. Step 2: Convert to fraction form
    9,427.90/14,141.40 = 3,187.30/x
  3. Step 3: Cross multiply
    9,427.90x = 14,141.40 × 3,187.30
  4. Step 4: Simplify right side
    9,427.90x = 45,072,884.22
  5. Step 5: Solve for x
    x = 45,072,884.22/9,427.90
  6. Step 6: Final answer
    x = 4,780.80

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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.