Home / 18,990.82-26,207.85-10,607.14

Finding the Fourth Proportional to 18,990.82, 26,207.85 and 10,607.14

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Solution

The fourth proportional to 18,990.82, 26,207.85 and 10,607.14 is: 14,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990.82 : 26,207.85 = 10,607.14 : x
  2. Step 2: Convert to fraction form
    18,990.82/26,207.85 = 10,607.14/x
  3. Step 3: Cross multiply
    18,990.82x = 26,207.85 × 10,607.14
  4. Step 4: Simplify right side
    18,990.82x = 277,990,334.05
  5. Step 5: Solve for x
    x = 277,990,334.05/18,990.82
  6. Step 6: Final answer
    x = 14,638.14

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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.