Home / 15,150.40-22,725.60-7,752.40

Finding the Fourth Proportional to 15,150.40, 22,725.60 and 7,752.40

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Solution

The fourth proportional to 15,150.40, 22,725.60 and 7,752.40 is: 11,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.40 : 22,725.60 = 7,752.40 : x
  2. Step 2: Convert to fraction form
    15,150.40/22,725.60 = 7,752.40/x
  3. Step 3: Cross multiply
    15,150.40x = 22,725.60 × 7,752.40
  4. Step 4: Simplify right side
    15,150.40x = 176,177,941.44
  5. Step 5: Solve for x
    x = 176,177,941.44/15,150.40
  6. Step 6: Final answer
    x = 11,628.60

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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.