Home / 22,117.60-33,176.40-7,328.80

Finding the Fourth Proportional to 22,117.60, 33,176.40 and 7,328.80

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Solution

The fourth proportional to 22,117.60, 33,176.40 and 7,328.80 is: 10,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.60 : 33,176.40 = 7,328.80 : x
  2. Step 2: Convert to fraction form
    22,117.60/33,176.40 = 7,328.80/x
  3. Step 3: Cross multiply
    22,117.60x = 33,176.40 × 7,328.80
  4. Step 4: Simplify right side
    22,117.60x = 243,143,200.32
  5. Step 5: Solve for x
    x = 243,143,200.32/22,117.60
  6. Step 6: Final answer
    x = 10,993.20

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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.