Home / 15,300.39-22,889.22-13,242.79

Finding the Fourth Proportional to 15,300.39, 22,889.22 and 13,242.79

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Solution

The fourth proportional to 15,300.39, 22,889.22 and 13,242.79 is: 19,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.39 : 22,889.22 = 13,242.79 : x
  2. Step 2: Convert to fraction form
    15,300.39/22,889.22 = 13,242.79/x
  3. Step 3: Cross multiply
    15,300.39x = 22,889.22 × 13,242.79
  4. Step 4: Simplify right side
    15,300.39x = 303,117,133.72
  5. Step 5: Solve for x
    x = 303,117,133.72/15,300.39
  6. Step 6: Final answer
    x = 19,811.07

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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.