Home / 13,263.84-19,895.76-6,317.28

Finding the Fourth Proportional to 13,263.84, 19,895.76 and 6,317.28

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Solution

The fourth proportional to 13,263.84, 19,895.76 and 6,317.28 is: 9,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.84 : 19,895.76 = 6,317.28 : x
  2. Step 2: Convert to fraction form
    13,263.84/19,895.76 = 6,317.28/x
  3. Step 3: Cross multiply
    13,263.84x = 19,895.76 × 6,317.28
  4. Step 4: Simplify right side
    13,263.84x = 125,687,086.73
  5. Step 5: Solve for x
    x = 125,687,086.73/13,263.84
  6. Step 6: Final answer
    x = 9,475.92

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Similar ratio
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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.