Home / 11,148.60-16,622.07-10,572.60

Finding the Fourth Proportional to 11,148.60, 16,622.07 and 10,572.60

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Solution

The fourth proportional to 11,148.60, 16,622.07 and 10,572.60 is: 15,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.60 : 16,622.07 = 10,572.60 : x
  2. Step 2: Convert to fraction form
    11,148.60/16,622.07 = 10,572.60/x
  3. Step 3: Cross multiply
    11,148.60x = 16,622.07 × 10,572.60
  4. Step 4: Simplify right side
    11,148.60x = 175,738,497.28
  5. Step 5: Solve for x
    x = 175,738,497.28/11,148.60
  6. Step 6: Final answer
    x = 15,763.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.