Home / 14,177.69-21,256.11-4,815.19

Finding the Fourth Proportional to 14,177.69, 21,256.11 and 4,815.19

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Solution

The fourth proportional to 14,177.69, 21,256.11 and 4,815.19 is: 7,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.69 : 21,256.11 = 4,815.19 : x
  2. Step 2: Convert to fraction form
    14,177.69/21,256.11 = 4,815.19/x
  3. Step 3: Cross multiply
    14,177.69x = 21,256.11 × 4,815.19
  4. Step 4: Simplify right side
    14,177.69x = 102,352,208.31
  5. Step 5: Solve for x
    x = 102,352,208.31/14,177.69
  6. Step 6: Final answer
    x = 7,219.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.