Home / 19,221.52-26,510.32-13,251.84

Finding the Fourth Proportional to 19,221.52, 26,510.32 and 13,251.84

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Solution

The fourth proportional to 19,221.52, 26,510.32 and 13,251.84 is: 18,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.52 : 26,510.32 = 13,251.84 : x
  2. Step 2: Convert to fraction form
    19,221.52/26,510.32 = 13,251.84/x
  3. Step 3: Cross multiply
    19,221.52x = 26,510.32 × 13,251.84
  4. Step 4: Simplify right side
    19,221.52x = 351,310,518.99
  5. Step 5: Solve for x
    x = 351,310,518.99/19,221.52
  6. Step 6: Final answer
    x = 18,276.94

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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.