Home / 9,945.20-14,950.20-7,043.60

Finding the Fourth Proportional to 9,945.20, 14,950.20 and 7,043.60

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Solution

The fourth proportional to 9,945.20, 14,950.20 and 7,043.60 is: 10,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.20 : 14,950.20 = 7,043.60 : x
  2. Step 2: Convert to fraction form
    9,945.20/14,950.20 = 7,043.60/x
  3. Step 3: Cross multiply
    9,945.20x = 14,950.20 × 7,043.60
  4. Step 4: Simplify right side
    9,945.20x = 105,303,228.72
  5. Step 5: Solve for x
    x = 105,303,228.72/9,945.20
  6. Step 6: Final answer
    x = 10,588.35

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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.