Home / 22,007.16-30,369.90-11,935.59

Finding the Fourth Proportional to 22,007.16, 30,369.90 and 11,935.59

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Solution

The fourth proportional to 22,007.16, 30,369.90 and 11,935.59 is: 16,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.16 : 30,369.90 = 11,935.59 : x
  2. Step 2: Convert to fraction form
    22,007.16/30,369.90 = 11,935.59/x
  3. Step 3: Cross multiply
    22,007.16x = 30,369.90 × 11,935.59
  4. Step 4: Simplify right side
    22,007.16x = 362,482,674.74
  5. Step 5: Solve for x
    x = 362,482,674.74/22,007.16
  6. Step 6: Final answer
    x = 16,471.12

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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.