Home / 16,211.32-22,371.44-9,140.02

Finding the Fourth Proportional to 16,211.32, 22,371.44 and 9,140.02

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Solution

The fourth proportional to 16,211.32, 22,371.44 and 9,140.02 is: 12,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.32 : 22,371.44 = 9,140.02 : x
  2. Step 2: Convert to fraction form
    16,211.32/22,371.44 = 9,140.02/x
  3. Step 3: Cross multiply
    16,211.32x = 22,371.44 × 9,140.02
  4. Step 4: Simplify right side
    16,211.32x = 204,475,409.03
  5. Step 5: Solve for x
    x = 204,475,409.03/16,211.32
  6. Step 6: Final answer
    x = 12,613.13

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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.