Home / 12,946.54-17,869.12-8,462.58

Finding the Fourth Proportional to 12,946.54, 17,869.12 and 8,462.58

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Solution

The fourth proportional to 12,946.54, 17,869.12 and 8,462.58 is: 11,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.54 : 17,869.12 = 8,462.58 : x
  2. Step 2: Convert to fraction form
    12,946.54/17,869.12 = 8,462.58/x
  3. Step 3: Cross multiply
    12,946.54x = 17,869.12 × 8,462.58
  4. Step 4: Simplify right side
    12,946.54x = 151,218,857.53
  5. Step 5: Solve for x
    x = 151,218,857.53/12,946.54
  6. Step 6: Final answer
    x = 11,680.25

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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.