Home / 15,216.63-21,025.77-11,710.14

Finding the Fourth Proportional to 15,216.63, 21,025.77 and 11,710.14

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Solution

The fourth proportional to 15,216.63, 21,025.77 and 11,710.14 is: 16,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.63 : 21,025.77 = 11,710.14 : x
  2. Step 2: Convert to fraction form
    15,216.63/21,025.77 = 11,710.14/x
  3. Step 3: Cross multiply
    15,216.63x = 21,025.77 × 11,710.14
  4. Step 4: Simplify right side
    15,216.63x = 246,214,710.31
  5. Step 5: Solve for x
    x = 246,214,710.31/15,216.63
  6. Step 6: Final answer
    x = 16,180.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.