Home / 12,903.40-17,818.98-11,674.60

Finding the Fourth Proportional to 12,903.40, 17,818.98 and 11,674.60

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Solution

The fourth proportional to 12,903.40, 17,818.98 and 11,674.60 is: 16,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.40 : 17,818.98 = 11,674.60 : x
  2. Step 2: Convert to fraction form
    12,903.40/17,818.98 = 11,674.60/x
  3. Step 3: Cross multiply
    12,903.40x = 17,818.98 × 11,674.60
  4. Step 4: Simplify right side
    12,903.40x = 208,029,463.91
  5. Step 5: Solve for x
    x = 208,029,463.91/12,903.40
  6. Step 6: Final answer
    x = 16,122.07

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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.