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Finding the Fourth Proportional to 13,266.84, 19,900.28 and 6,320.28

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Solution

The fourth proportional to 13,266.84, 19,900.28 and 6,320.28 is: 9,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.84 : 19,900.28 = 6,320.28 : x
  2. Step 2: Convert to fraction form
    13,266.84/19,900.28 = 6,320.28/x
  3. Step 3: Cross multiply
    13,266.84x = 19,900.28 × 6,320.28
  4. Step 4: Simplify right side
    13,266.84x = 125,775,341.68
  5. Step 5: Solve for x
    x = 125,775,341.68/13,266.84
  6. Step 6: Final answer
    x = 9,480.43

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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.