Home / 22,289.59-30,756.68-13,335.31

Finding the Fourth Proportional to 22,289.59, 30,756.68 and 13,335.31

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Solution

The fourth proportional to 22,289.59, 30,756.68 and 13,335.31 is: 18,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.59 : 30,756.68 = 13,335.31 : x
  2. Step 2: Convert to fraction form
    22,289.59/30,756.68 = 13,335.31/x
  3. Step 3: Cross multiply
    22,289.59x = 30,756.68 × 13,335.31
  4. Step 4: Simplify right side
    22,289.59x = 410,149,708.59
  5. Step 5: Solve for x
    x = 410,149,708.59/22,289.59
  6. Step 6: Final answer
    x = 18,400.96

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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.