Home / 15,106.40-22,659.60-10,440.80

Finding the Fourth Proportional to 15,106.40, 22,659.60 and 10,440.80

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Solution

The fourth proportional to 15,106.40, 22,659.60 and 10,440.80 is: 15,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.40 : 22,659.60 = 10,440.80 : x
  2. Step 2: Convert to fraction form
    15,106.40/22,659.60 = 10,440.80/x
  3. Step 3: Cross multiply
    15,106.40x = 22,659.60 × 10,440.80
  4. Step 4: Simplify right side
    15,106.40x = 236,584,351.68
  5. Step 5: Solve for x
    x = 236,584,351.68/15,106.40
  6. Step 6: Final answer
    x = 15,661.20

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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.