Home / 13,273.77-19,913.63-3,913.68

Finding the Fourth Proportional to 13,273.77, 19,913.63 and 3,913.68

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Solution

The fourth proportional to 13,273.77, 19,913.63 and 3,913.68 is: 5,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.77 : 19,913.63 = 3,913.68 : x
  2. Step 2: Convert to fraction form
    13,273.77/19,913.63 = 3,913.68/x
  3. Step 3: Cross multiply
    13,273.77x = 19,913.63 × 3,913.68
  4. Step 4: Simplify right side
    13,273.77x = 77,935,555.89
  5. Step 5: Solve for x
    x = 77,935,555.89/13,273.77
  6. Step 6: Final answer
    x = 5,871.40

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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.