Home / 12,216.88-16,859.64-7,435.36

Finding the Fourth Proportional to 12,216.88, 16,859.64 and 7,435.36

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Solution

The fourth proportional to 12,216.88, 16,859.64 and 7,435.36 is: 10,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.88 : 16,859.64 = 7,435.36 : x
  2. Step 2: Convert to fraction form
    12,216.88/16,859.64 = 7,435.36/x
  3. Step 3: Cross multiply
    12,216.88x = 16,859.64 × 7,435.36
  4. Step 4: Simplify right side
    12,216.88x = 125,357,492.87
  5. Step 5: Solve for x
    x = 125,357,492.87/12,216.88
  6. Step 6: Final answer
    x = 10,261.01

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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.