Home / 12,171.46-18,154.93-11,050.28

Finding the Fourth Proportional to 12,171.46, 18,154.93 and 11,050.28

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Solution

The fourth proportional to 12,171.46, 18,154.93 and 11,050.28 is: 16,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.46 : 18,154.93 = 11,050.28 : x
  2. Step 2: Convert to fraction form
    12,171.46/18,154.93 = 11,050.28/x
  3. Step 3: Cross multiply
    12,171.46x = 18,154.93 × 11,050.28
  4. Step 4: Simplify right side
    12,171.46x = 200,616,959.24
  5. Step 5: Solve for x
    x = 200,616,959.24/12,171.46
  6. Step 6: Final answer
    x = 16,482.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.