Home / 10,500.88-15,751.62-3,925.81

Finding the Fourth Proportional to 10,500.88, 15,751.62 and 3,925.81

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Solution

The fourth proportional to 10,500.88, 15,751.62 and 3,925.81 is: 5,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.88 : 15,751.62 = 3,925.81 : x
  2. Step 2: Convert to fraction form
    10,500.88/15,751.62 = 3,925.81/x
  3. Step 3: Cross multiply
    10,500.88x = 15,751.62 × 3,925.81
  4. Step 4: Simplify right side
    10,500.88x = 61,837,827.93
  5. Step 5: Solve for x
    x = 61,837,827.93/10,500.88
  6. Step 6: Final answer
    x = 5,888.82

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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.