Home / 16,463.28-22,719.48-9,390.12

Finding the Fourth Proportional to 16,463.28, 22,719.48 and 9,390.12

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Solution

The fourth proportional to 16,463.28, 22,719.48 and 9,390.12 is: 12,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,463.28 : 22,719.48 = 9,390.12 : x
  2. Step 2: Convert to fraction form
    16,463.28/22,719.48 = 9,390.12/x
  3. Step 3: Cross multiply
    16,463.28x = 22,719.48 × 9,390.12
  4. Step 4: Simplify right side
    16,463.28x = 213,338,643.54
  5. Step 5: Solve for x
    x = 213,338,643.54/16,463.28
  6. Step 6: Final answer
    x = 12,958.45

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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.