Home / 15,155.40-22,722.30-6,828.60

Finding the Fourth Proportional to 15,155.40, 22,722.30 and 6,828.60

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Solution

The fourth proportional to 15,155.40, 22,722.30 and 6,828.60 is: 10,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.40 : 22,722.30 = 6,828.60 : x
  2. Step 2: Convert to fraction form
    15,155.40/22,722.30 = 6,828.60/x
  3. Step 3: Cross multiply
    15,155.40x = 22,722.30 × 6,828.60
  4. Step 4: Simplify right side
    15,155.40x = 155,161,497.78
  5. Step 5: Solve for x
    x = 155,161,497.78/15,155.40
  6. Step 6: Final answer
    x = 10,238.03

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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.