Home / 9,901.20-14,835.60-7,276.80

Finding the Fourth Proportional to 9,901.20, 14,835.60 and 7,276.80

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Solution

The fourth proportional to 9,901.20, 14,835.60 and 7,276.80 is: 10,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.20 : 14,835.60 = 7,276.80 : x
  2. Step 2: Convert to fraction form
    9,901.20/14,835.60 = 7,276.80/x
  3. Step 3: Cross multiply
    9,901.20x = 14,835.60 × 7,276.80
  4. Step 4: Simplify right side
    9,901.20x = 107,955,694.08
  5. Step 5: Solve for x
    x = 107,955,694.08/9,901.20
  6. Step 6: Final answer
    x = 10,903.29

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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.