Home / 19,337.67-26,684.64-11,378.21

Finding the Fourth Proportional to 19,337.67, 26,684.64 and 11,378.21

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Solution

The fourth proportional to 19,337.67, 26,684.64 and 11,378.21 is: 15,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.67 : 26,684.64 = 11,378.21 : x
  2. Step 2: Convert to fraction form
    19,337.67/26,684.64 = 11,378.21/x
  3. Step 3: Cross multiply
    19,337.67x = 26,684.64 × 11,378.21
  4. Step 4: Simplify right side
    19,337.67x = 303,623,304.27
  5. Step 5: Solve for x
    x = 303,623,304.27/19,337.67
  6. Step 6: Final answer
    x = 15,701.13

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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.