Home / 10,503.48-15,757.95-3,930.18

Finding the Fourth Proportional to 10,503.48, 15,757.95 and 3,930.18

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Solution

The fourth proportional to 10,503.48, 15,757.95 and 3,930.18 is: 5,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.48 : 15,757.95 = 3,930.18 : x
  2. Step 2: Convert to fraction form
    10,503.48/15,757.95 = 3,930.18/x
  3. Step 3: Cross multiply
    10,503.48x = 15,757.95 × 3,930.18
  4. Step 4: Simplify right side
    10,503.48x = 61,931,579.93
  5. Step 5: Solve for x
    x = 61,931,579.93/10,503.48
  6. Step 6: Final answer
    x = 5,896.29

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1.5x scale

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.