Home / 12,146.77-16,653.28-11,925.37

Finding the Fourth Proportional to 12,146.77, 16,653.28 and 11,925.37

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Solution

The fourth proportional to 12,146.77, 16,653.28 and 11,925.37 is: 16,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.77 : 16,653.28 = 11,925.37 : x
  2. Step 2: Convert to fraction form
    12,146.77/16,653.28 = 11,925.37/x
  3. Step 3: Cross multiply
    12,146.77x = 16,653.28 × 11,925.37
  4. Step 4: Simplify right side
    12,146.77x = 198,596,525.71
  5. Step 5: Solve for x
    x = 198,596,525.71/12,146.77
  6. Step 6: Final answer
    x = 16,349.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.