Home / 16,859.61-25,279.56-6,987.06

Finding the Fourth Proportional to 16,859.61, 25,279.56 and 6,987.06

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Solution

The fourth proportional to 16,859.61, 25,279.56 and 6,987.06 is: 10,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.61 : 25,279.56 = 6,987.06 : x
  2. Step 2: Convert to fraction form
    16,859.61/25,279.56 = 6,987.06/x
  3. Step 3: Cross multiply
    16,859.61x = 25,279.56 × 6,987.06
  4. Step 4: Simplify right side
    16,859.61x = 176,629,802.49
  5. Step 5: Solve for x
    x = 176,629,802.49/16,859.61
  6. Step 6: Final answer
    x = 10,476.51

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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.