Home / 15,004.79-22,507.20-3,911.45

Finding the Fourth Proportional to 15,004.79, 22,507.20 and 3,911.45

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Solution

The fourth proportional to 15,004.79, 22,507.20 and 3,911.45 is: 5,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.79 : 22,507.20 = 3,911.45 : x
  2. Step 2: Convert to fraction form
    15,004.79/22,507.20 = 3,911.45/x
  3. Step 3: Cross multiply
    15,004.79x = 22,507.20 × 3,911.45
  4. Step 4: Simplify right side
    15,004.79x = 88,035,767.88
  5. Step 5: Solve for x
    x = 88,035,767.88/15,004.79
  6. Step 6: Final answer
    x = 5,867.18

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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.