Home / 13,965.42-19,272.33-7,677.84

Finding the Fourth Proportional to 13,965.42, 19,272.33 and 7,677.84

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Solution

The fourth proportional to 13,965.42, 19,272.33 and 7,677.84 is: 10,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.42 : 19,272.33 = 7,677.84 : x
  2. Step 2: Convert to fraction form
    13,965.42/19,272.33 = 7,677.84/x
  3. Step 3: Cross multiply
    13,965.42x = 19,272.33 × 7,677.84
  4. Step 4: Simplify right side
    13,965.42x = 147,969,866.17
  5. Step 5: Solve for x
    x = 147,969,866.17/13,965.42
  6. Step 6: Final answer
    x = 10,595.45

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1.5x scale

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.