Home / 13,140.49-19,713.33-4,820.58

Finding the Fourth Proportional to 13,140.49, 19,713.33 and 4,820.58

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Solution

The fourth proportional to 13,140.49, 19,713.33 and 4,820.58 is: 7,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.49 : 19,713.33 = 4,820.58 : x
  2. Step 2: Convert to fraction form
    13,140.49/19,713.33 = 4,820.58/x
  3. Step 3: Cross multiply
    13,140.49x = 19,713.33 × 4,820.58
  4. Step 4: Simplify right side
    13,140.49x = 95,029,721.56
  5. Step 5: Solve for x
    x = 95,029,721.56/13,140.49
  6. Step 6: Final answer
    x = 7,231.82

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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.