Home / 15,427.20-23,127.30-10,480.80

Finding the Fourth Proportional to 15,427.20, 23,127.30 and 10,480.80

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Solution

The fourth proportional to 15,427.20, 23,127.30 and 10,480.80 is: 15,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.20 : 23,127.30 = 10,480.80 : x
  2. Step 2: Convert to fraction form
    15,427.20/23,127.30 = 10,480.80/x
  3. Step 3: Cross multiply
    15,427.20x = 23,127.30 × 10,480.80
  4. Step 4: Simplify right side
    15,427.20x = 242,392,605.84
  5. Step 5: Solve for x
    x = 242,392,605.84/15,427.20
  6. Step 6: Final answer
    x = 15,712.03

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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.