Home / 12,986.28-19,460.25-5,948.93

Finding the Fourth Proportional to 12,986.28, 19,460.25 and 5,948.93

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Solution

The fourth proportional to 12,986.28, 19,460.25 and 5,948.93 is: 8,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986.28 : 19,460.25 = 5,948.93 : x
  2. Step 2: Convert to fraction form
    12,986.28/19,460.25 = 5,948.93/x
  3. Step 3: Cross multiply
    12,986.28x = 19,460.25 × 5,948.93
  4. Step 4: Simplify right side
    12,986.28x = 115,767,713.68
  5. Step 5: Solve for x
    x = 115,767,713.68/12,986.28
  6. Step 6: Final answer
    x = 8,914.62

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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.