Home / 10,555.02-15,823.77-3,977.58

Finding the Fourth Proportional to 10,555.02, 15,823.77 and 3,977.58

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Solution

The fourth proportional to 10,555.02, 15,823.77 and 3,977.58 is: 5,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.02 : 15,823.77 = 3,977.58 : x
  2. Step 2: Convert to fraction form
    10,555.02/15,823.77 = 3,977.58/x
  3. Step 3: Cross multiply
    10,555.02x = 15,823.77 × 3,977.58
  4. Step 4: Simplify right side
    10,555.02x = 62,940,311.08
  5. Step 5: Solve for x
    x = 62,940,311.08/10,555.02
  6. Step 6: Final answer
    x = 5,963.07

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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.