Home / 9,973.50-14,945.68-4,425.20

Finding the Fourth Proportional to 9,973.50, 14,945.68 and 4,425.20

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Solution

The fourth proportional to 9,973.50, 14,945.68 and 4,425.20 is: 6,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.50 : 14,945.68 = 4,425.20 : x
  2. Step 2: Convert to fraction form
    9,973.50/14,945.68 = 4,425.20/x
  3. Step 3: Cross multiply
    9,973.50x = 14,945.68 × 4,425.20
  4. Step 4: Simplify right side
    9,973.50x = 66,137,623.14
  5. Step 5: Solve for x
    x = 66,137,623.14/9,973.50
  6. Step 6: Final answer
    x = 6,631.34

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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.