Home / 15,080.84-22,622.80-5,220.10

Finding the Fourth Proportional to 15,080.84, 22,622.80 and 5,220.10

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Solution

The fourth proportional to 15,080.84, 22,622.80 and 5,220.10 is: 7,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,080.84 : 22,622.80 = 5,220.10 : x
  2. Step 2: Convert to fraction form
    15,080.84/22,622.80 = 5,220.10/x
  3. Step 3: Cross multiply
    15,080.84x = 22,622.80 × 5,220.10
  4. Step 4: Simplify right side
    15,080.84x = 118,093,278.28
  5. Step 5: Solve for x
    x = 118,093,278.28/15,080.84
  6. Step 6: Final answer
    x = 7,830.68

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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.