Home / 12,436.76-18,563.55-11,397.93

Finding the Fourth Proportional to 12,436.76, 18,563.55 and 11,397.93

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Solution

The fourth proportional to 12,436.76, 18,563.55 and 11,397.93 is: 17,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.76 : 18,563.55 = 11,397.93 : x
  2. Step 2: Convert to fraction form
    12,436.76/18,563.55 = 11,397.93/x
  3. Step 3: Cross multiply
    12,436.76x = 18,563.55 × 11,397.93
  4. Step 4: Simplify right side
    12,436.76x = 211,586,086.19
  5. Step 5: Solve for x
    x = 211,586,086.19/12,436.76
  6. Step 6: Final answer
    x = 17,012.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.