Home / 16,859.20-25,260.45-13,335.70

Finding the Fourth Proportional to 16,859.20, 25,260.45 and 13,335.70

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Solution

The fourth proportional to 16,859.20, 25,260.45 and 13,335.70 is: 19,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.20 : 25,260.45 = 13,335.70 : x
  2. Step 2: Convert to fraction form
    16,859.20/25,260.45 = 13,335.70/x
  3. Step 3: Cross multiply
    16,859.20x = 25,260.45 × 13,335.70
  4. Step 4: Simplify right side
    16,859.20x = 336,865,783.07
  5. Step 5: Solve for x
    x = 336,865,783.07/16,859.20
  6. Step 6: Final answer
    x = 19,981.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.