Home / 16,387.37-22,615.37-9,217.43

Finding the Fourth Proportional to 16,387.37, 22,615.37 and 9,217.43

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Solution

The fourth proportional to 16,387.37, 22,615.37 and 9,217.43 is: 12,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.37 : 22,615.37 = 9,217.43 : x
  2. Step 2: Convert to fraction form
    16,387.37/22,615.37 = 9,217.43/x
  3. Step 3: Cross multiply
    16,387.37x = 22,615.37 × 9,217.43
  4. Step 4: Simplify right side
    16,387.37x = 208,455,430.74
  5. Step 5: Solve for x
    x = 208,455,430.74/16,387.37
  6. Step 6: Final answer
    x = 12,720.50

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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.