Home / 16,287.60-22,477.23-9,212.70

Finding the Fourth Proportional to 16,287.60, 22,477.23 and 9,212.70

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Solution

The fourth proportional to 16,287.60, 22,477.23 and 9,212.70 is: 12,713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.60 : 22,477.23 = 9,212.70 : x
  2. Step 2: Convert to fraction form
    16,287.60/22,477.23 = 9,212.70/x
  3. Step 3: Cross multiply
    16,287.60x = 22,477.23 × 9,212.70
  4. Step 4: Simplify right side
    16,287.60x = 207,075,976.82
  5. Step 5: Solve for x
    x = 207,075,976.82/16,287.60
  6. Step 6: Final answer
    x = 12,713.72

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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.