Home / 10,252.60-15,330.30-7,628.20

Finding the Fourth Proportional to 10,252.60, 15,330.30 and 7,628.20

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Solution

The fourth proportional to 10,252.60, 15,330.30 and 7,628.20 is: 11,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.60 : 15,330.30 = 7,628.20 : x
  2. Step 2: Convert to fraction form
    10,252.60/15,330.30 = 7,628.20/x
  3. Step 3: Cross multiply
    10,252.60x = 15,330.30 × 7,628.20
  4. Step 4: Simplify right side
    10,252.60x = 116,942,594.46
  5. Step 5: Solve for x
    x = 116,942,594.46/10,252.60
  6. Step 6: Final answer
    x = 11,406.14

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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.