Home / 18,968.96-26,177.16-10,471.08

Finding the Fourth Proportional to 18,968.96, 26,177.16 and 10,471.08

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Solution

The fourth proportional to 18,968.96, 26,177.16 and 10,471.08 is: 14,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.96 : 26,177.16 = 10,471.08 : x
  2. Step 2: Convert to fraction form
    18,968.96/26,177.16 = 10,471.08/x
  3. Step 3: Cross multiply
    18,968.96x = 26,177.16 × 10,471.08
  4. Step 4: Simplify right side
    18,968.96x = 274,103,136.53
  5. Step 5: Solve for x
    x = 274,103,136.53/18,968.96
  6. Step 6: Final answer
    x = 14,450.09

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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.