Home / 10,575.12-15,867-3,558

Finding the Fourth Proportional to 10,575.12, 15,867 and 3,558

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Solution

The fourth proportional to 10,575.12, 15,867 and 3,558 is: 5,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.12 : 15,867 = 3,558 : x
  2. Step 2: Convert to fraction form
    10,575.12/15,867 = 3,558/x
  3. Step 3: Cross multiply
    10,575.12x = 15,867 × 3,558
  4. Step 4: Simplify right side
    10,575.12x = 56,454,786
  5. Step 5: Solve for x
    x = 56,454,786/10,575.12
  6. Step 6: Final answer
    x = 5,338.45

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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.