Home / 10,500.90-15,752.34-3,925.56

Finding the Fourth Proportional to 10,500.90, 15,752.34 and 3,925.56

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Solution

The fourth proportional to 10,500.90, 15,752.34 and 3,925.56 is: 5,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.90 : 15,752.34 = 3,925.56 : x
  2. Step 2: Convert to fraction form
    10,500.90/15,752.34 = 3,925.56/x
  3. Step 3: Cross multiply
    10,500.90x = 15,752.34 × 3,925.56
  4. Step 4: Simplify right side
    10,500.90x = 61,836,755.81
  5. Step 5: Solve for x
    x = 61,836,755.81/10,500.90
  6. Step 6: Final answer
    x = 5,888.71

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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.