Home / 16,639.09-22,962.87-9,086.12

Finding the Fourth Proportional to 16,639.09, 22,962.87 and 9,086.12

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Solution

The fourth proportional to 16,639.09, 22,962.87 and 9,086.12 is: 12,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.09 : 22,962.87 = 9,086.12 : x
  2. Step 2: Convert to fraction form
    16,639.09/22,962.87 = 9,086.12/x
  3. Step 3: Cross multiply
    16,639.09x = 22,962.87 × 9,086.12
  4. Step 4: Simplify right side
    16,639.09x = 208,643,392.36
  5. Step 5: Solve for x
    x = 208,643,392.36/16,639.09
  6. Step 6: Final answer
    x = 12,539.35

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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.