Home / 10,353.56-15,533.58-3,781.76

Finding the Fourth Proportional to 10,353.56, 15,533.58 and 3,781.76

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Solution

The fourth proportional to 10,353.56, 15,533.58 and 3,781.76 is: 5,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.56 : 15,533.58 = 3,781.76 : x
  2. Step 2: Convert to fraction form
    10,353.56/15,533.58 = 3,781.76/x
  3. Step 3: Cross multiply
    10,353.56x = 15,533.58 × 3,781.76
  4. Step 4: Simplify right side
    10,353.56x = 58,744,271.50
  5. Step 5: Solve for x
    x = 58,744,271.50/10,353.56
  6. Step 6: Final answer
    x = 5,673.82

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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.