Home / 10,358.84-15,528.93-3,780.42

Finding the Fourth Proportional to 10,358.84, 15,528.93 and 3,780.42

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Solution

The fourth proportional to 10,358.84, 15,528.93 and 3,780.42 is: 5,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.84 : 15,528.93 = 3,780.42 : x
  2. Step 2: Convert to fraction form
    10,358.84/15,528.93 = 3,780.42/x
  3. Step 3: Cross multiply
    10,358.84x = 15,528.93 × 3,780.42
  4. Step 4: Simplify right side
    10,358.84x = 58,705,877.55
  5. Step 5: Solve for x
    x = 58,705,877.55/10,358.84
  6. Step 6: Final answer
    x = 5,667.23

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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.