Home / 15,076.90-22,615.37-5,210.80

Finding the Fourth Proportional to 15,076.90, 22,615.37 and 5,210.80

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Solution

The fourth proportional to 15,076.90, 22,615.37 and 5,210.80 is: 7,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.90 : 22,615.37 = 5,210.80 : x
  2. Step 2: Convert to fraction form
    15,076.90/22,615.37 = 5,210.80/x
  3. Step 3: Cross multiply
    15,076.90x = 22,615.37 × 5,210.80
  4. Step 4: Simplify right side
    15,076.90x = 117,844,106.94
  5. Step 5: Solve for x
    x = 117,844,106.94/15,076.90
  6. Step 6: Final answer
    x = 7,816.20

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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.