Home / 19,284.34-26,612.49-11,222.77

Finding the Fourth Proportional to 19,284.34, 26,612.49 and 11,222.77

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Solution

The fourth proportional to 19,284.34, 26,612.49 and 11,222.77 is: 15,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.34 : 26,612.49 = 11,222.77 : x
  2. Step 2: Convert to fraction form
    19,284.34/26,612.49 = 11,222.77/x
  3. Step 3: Cross multiply
    19,284.34x = 26,612.49 × 11,222.77
  4. Step 4: Simplify right side
    19,284.34x = 298,665,854.40
  5. Step 5: Solve for x
    x = 298,665,854.40/19,284.34
  6. Step 6: Final answer
    x = 15,487.48

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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.