Home / 17,764.80-26,621.28-9,975.84

Finding the Fourth Proportional to 17,764.80, 26,621.28 and 9,975.84

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Solution

The fourth proportional to 17,764.80, 26,621.28 and 9,975.84 is: 14,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764.80 : 26,621.28 = 9,975.84 : x
  2. Step 2: Convert to fraction form
    17,764.80/26,621.28 = 9,975.84/x
  3. Step 3: Cross multiply
    17,764.80x = 26,621.28 × 9,975.84
  4. Step 4: Simplify right side
    17,764.80x = 265,569,629.88
  5. Step 5: Solve for x
    x = 265,569,629.88/17,764.80
  6. Step 6: Final answer
    x = 14,949.20

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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.