Home / 13,086.21-19,618.98-6,508.80

Finding the Fourth Proportional to 13,086.21, 19,618.98 and 6,508.80

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Solution

The fourth proportional to 13,086.21, 19,618.98 and 6,508.80 is: 9,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.21 : 19,618.98 = 6,508.80 : x
  2. Step 2: Convert to fraction form
    13,086.21/19,618.98 = 6,508.80/x
  3. Step 3: Cross multiply
    13,086.21x = 19,618.98 × 6,508.80
  4. Step 4: Simplify right side
    13,086.21x = 127,696,066.07
  5. Step 5: Solve for x
    x = 127,696,066.07/13,086.21
  6. Step 6: Final answer
    x = 9,758.07

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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.