Home / 10,525.71-15,788.97-3,130.41

Finding the Fourth Proportional to 10,525.71, 15,788.97 and 3,130.41

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Solution

The fourth proportional to 10,525.71, 15,788.97 and 3,130.41 is: 4,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.71 : 15,788.97 = 3,130.41 : x
  2. Step 2: Convert to fraction form
    10,525.71/15,788.97 = 3,130.41/x
  3. Step 3: Cross multiply
    10,525.71x = 15,788.97 × 3,130.41
  4. Step 4: Simplify right side
    10,525.71x = 49,425,949.58
  5. Step 5: Solve for x
    x = 49,425,949.58/10,525.71
  6. Step 6: Final answer
    x = 4,695.74

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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.