Home / 10,513.41-15,767.88-3,117.93

Finding the Fourth Proportional to 10,513.41, 15,767.88 and 3,117.93

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Solution

The fourth proportional to 10,513.41, 15,767.88 and 3,117.93 is: 4,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.41 : 15,767.88 = 3,117.93 : x
  2. Step 2: Convert to fraction form
    10,513.41/15,767.88 = 3,117.93/x
  3. Step 3: Cross multiply
    10,513.41x = 15,767.88 × 3,117.93
  4. Step 4: Simplify right side
    10,513.41x = 49,163,146.09
  5. Step 5: Solve for x
    x = 49,163,146.09/10,513.41
  6. Step 6: Final answer
    x = 4,676.23

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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.