Home / 12,842.38-19,260.75-4,075.18

Finding the Fourth Proportional to 12,842.38, 19,260.75 and 4,075.18

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Solution

The fourth proportional to 12,842.38, 19,260.75 and 4,075.18 is: 6,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.38 : 19,260.75 = 4,075.18 : x
  2. Step 2: Convert to fraction form
    12,842.38/19,260.75 = 4,075.18/x
  3. Step 3: Cross multiply
    12,842.38x = 19,260.75 × 4,075.18
  4. Step 4: Simplify right side
    12,842.38x = 78,491,023.19
  5. Step 5: Solve for x
    x = 78,491,023.19/12,842.38
  6. Step 6: Final answer
    x = 6,111.88

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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.