Home / 10,503.05-15,757.40-4,267.40

Finding the Fourth Proportional to 10,503.05, 15,757.40 and 4,267.40

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Solution

The fourth proportional to 10,503.05, 15,757.40 and 4,267.40 is: 6,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.05 : 15,757.40 = 4,267.40 : x
  2. Step 2: Convert to fraction form
    10,503.05/15,757.40 = 4,267.40/x
  3. Step 3: Cross multiply
    10,503.05x = 15,757.40 × 4,267.40
  4. Step 4: Simplify right side
    10,503.05x = 67,243,028.64
  5. Step 5: Solve for x
    x = 67,243,028.64/10,503.05
  6. Step 6: Final answer
    x = 6,402.24

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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.