Home / 13,965.68-19,271.40-7,677.92

Finding the Fourth Proportional to 13,965.68, 19,271.40 and 7,677.92

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Solution

The fourth proportional to 13,965.68, 19,271.40 and 7,677.92 is: 10,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.68 : 19,271.40 = 7,677.92 : x
  2. Step 2: Convert to fraction form
    13,965.68/19,271.40 = 7,677.92/x
  3. Step 3: Cross multiply
    13,965.68x = 19,271.40 × 7,677.92
  4. Step 4: Simplify right side
    13,965.68x = 147,964,267.49
  5. Step 5: Solve for x
    x = 147,964,267.49/13,965.68
  6. Step 6: Final answer
    x = 10,594.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.