Home / 13,311.84-19,963.44-6,290.76

Finding the Fourth Proportional to 13,311.84, 19,963.44 and 6,290.76

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Solution

The fourth proportional to 13,311.84, 19,963.44 and 6,290.76 is: 9,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.84 : 19,963.44 = 6,290.76 : x
  2. Step 2: Convert to fraction form
    13,311.84/19,963.44 = 6,290.76/x
  3. Step 3: Cross multiply
    13,311.84x = 19,963.44 × 6,290.76
  4. Step 4: Simplify right side
    13,311.84x = 125,585,209.81
  5. Step 5: Solve for x
    x = 125,585,209.81/13,311.84
  6. Step 6: Final answer
    x = 9,434.10

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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.