Home / 12,230.15-16,878.24-6,925.46

Finding the Fourth Proportional to 12,230.15, 16,878.24 and 6,925.46

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Solution

The fourth proportional to 12,230.15, 16,878.24 and 6,925.46 is: 9,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.15 : 16,878.24 = 6,925.46 : x
  2. Step 2: Convert to fraction form
    12,230.15/16,878.24 = 6,925.46/x
  3. Step 3: Cross multiply
    12,230.15x = 16,878.24 × 6,925.46
  4. Step 4: Simplify right side
    12,230.15x = 116,889,491.60
  5. Step 5: Solve for x
    x = 116,889,491.60/12,230.15
  6. Step 6: Final answer
    x = 9,557.49

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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.