Home / 18,933.41-26,127.95-10,435.88

Finding the Fourth Proportional to 18,933.41, 26,127.95 and 10,435.88

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Solution

The fourth proportional to 18,933.41, 26,127.95 and 10,435.88 is: 14,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.41 : 26,127.95 = 10,435.88 : x
  2. Step 2: Convert to fraction form
    18,933.41/26,127.95 = 10,435.88/x
  3. Step 3: Cross multiply
    18,933.41x = 26,127.95 × 10,435.88
  4. Step 4: Simplify right side
    18,933.41x = 272,667,968.03
  5. Step 5: Solve for x
    x = 272,667,968.03/18,933.41
  6. Step 6: Final answer
    x = 14,401.42

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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.