Home / 9,975.12-14,963.70-4,429.74

Finding the Fourth Proportional to 9,975.12, 14,963.70 and 4,429.74

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Solution

The fourth proportional to 9,975.12, 14,963.70 and 4,429.74 is: 6,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.12 : 14,963.70 = 4,429.74 : x
  2. Step 2: Convert to fraction form
    9,975.12/14,963.70 = 4,429.74/x
  3. Step 3: Cross multiply
    9,975.12x = 14,963.70 × 4,429.74
  4. Step 4: Simplify right side
    9,975.12x = 66,285,300.44
  5. Step 5: Solve for x
    x = 66,285,300.44/9,975.12
  6. Step 6: Final answer
    x = 6,645.06

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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.