Home / 22,303.76-30,777.05-13,351.07

Finding the Fourth Proportional to 22,303.76, 30,777.05 and 13,351.07

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Solution

The fourth proportional to 22,303.76, 30,777.05 and 13,351.07 is: 18,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,303.76 : 30,777.05 = 13,351.07 : x
  2. Step 2: Convert to fraction form
    22,303.76/30,777.05 = 13,351.07/x
  3. Step 3: Cross multiply
    22,303.76x = 30,777.05 × 13,351.07
  4. Step 4: Simplify right side
    22,303.76x = 410,906,659.26
  5. Step 5: Solve for x
    x = 410,906,659.26/22,303.76
  6. Step 6: Final answer
    x = 18,423.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.