Home / 19,360.84-26,717.52-11,403.40

Finding the Fourth Proportional to 19,360.84, 26,717.52 and 11,403.40

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Solution

The fourth proportional to 19,360.84, 26,717.52 and 11,403.40 is: 15,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.84 : 26,717.52 = 11,403.40 : x
  2. Step 2: Convert to fraction form
    19,360.84/26,717.52 = 11,403.40/x
  3. Step 3: Cross multiply
    19,360.84x = 26,717.52 × 11,403.40
  4. Step 4: Simplify right side
    19,360.84x = 304,670,567.57
  5. Step 5: Solve for x
    x = 304,670,567.57/19,360.84
  6. Step 6: Final answer
    x = 15,736.43

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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.