Home / 16,208.60-22,368.30-9,134.60

Finding the Fourth Proportional to 16,208.60, 22,368.30 and 9,134.60

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Solution

The fourth proportional to 16,208.60, 22,368.30 and 9,134.60 is: 12,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,208.60 : 22,368.30 = 9,134.60 : x
  2. Step 2: Convert to fraction form
    16,208.60/22,368.30 = 9,134.60/x
  3. Step 3: Cross multiply
    16,208.60x = 22,368.30 × 9,134.60
  4. Step 4: Simplify right side
    16,208.60x = 204,325,473.18
  5. Step 5: Solve for x
    x = 204,325,473.18/16,208.60
  6. Step 6: Final answer
    x = 12,605.99

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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.