Home / 19,157.49-26,436.81-10,659.18

Finding the Fourth Proportional to 19,157.49, 26,436.81 and 10,659.18

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Solution

The fourth proportional to 19,157.49, 26,436.81 and 10,659.18 is: 14,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.49 : 26,436.81 = 10,659.18 : x
  2. Step 2: Convert to fraction form
    19,157.49/26,436.81 = 10,659.18/x
  3. Step 3: Cross multiply
    19,157.49x = 26,436.81 × 10,659.18
  4. Step 4: Simplify right side
    19,157.49x = 281,794,716.42
  5. Step 5: Solve for x
    x = 281,794,716.42/19,157.49
  6. Step 6: Final answer
    x = 14,709.38

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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.