Home / 13,220.64-19,833.12-4,900.68

Finding the Fourth Proportional to 13,220.64, 19,833.12 and 4,900.68

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Solution

The fourth proportional to 13,220.64, 19,833.12 and 4,900.68 is: 7,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220.64 : 19,833.12 = 4,900.68 : x
  2. Step 2: Convert to fraction form
    13,220.64/19,833.12 = 4,900.68/x
  3. Step 3: Cross multiply
    13,220.64x = 19,833.12 × 4,900.68
  4. Step 4: Simplify right side
    13,220.64x = 97,195,774.52
  5. Step 5: Solve for x
    x = 97,195,774.52/13,220.64
  6. Step 6: Final answer
    x = 7,351.82

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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.