Home / 16,317.95-22,516.79-9,146.21

Finding the Fourth Proportional to 16,317.95, 22,516.79 and 9,146.21

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Solution

The fourth proportional to 16,317.95, 22,516.79 and 9,146.21 is: 12,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,317.95 : 22,516.79 = 9,146.21 : x
  2. Step 2: Convert to fraction form
    16,317.95/22,516.79 = 9,146.21/x
  3. Step 3: Cross multiply
    16,317.95x = 22,516.79 × 9,146.21
  4. Step 4: Simplify right side
    16,317.95x = 205,943,300.43
  5. Step 5: Solve for x
    x = 205,943,300.43/16,317.95
  6. Step 6: Final answer
    x = 12,620.66

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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.