Home / 10,477.45-15,724.07-5,548.20

Finding the Fourth Proportional to 10,477.45, 15,724.07 and 5,548.20

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Solution

The fourth proportional to 10,477.45, 15,724.07 and 5,548.20 is: 8,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.45 : 15,724.07 = 5,548.20 : x
  2. Step 2: Convert to fraction form
    10,477.45/15,724.07 = 5,548.20/x
  3. Step 3: Cross multiply
    10,477.45x = 15,724.07 × 5,548.20
  4. Step 4: Simplify right side
    10,477.45x = 87,240,250.48
  5. Step 5: Solve for x
    x = 87,240,250.48/10,477.45
  6. Step 6: Final answer
    x = 8,326.48

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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.