Home / 17,421.69-26,114.65-6,887.43

Finding the Fourth Proportional to 17,421.69, 26,114.65 and 6,887.43

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Solution

The fourth proportional to 17,421.69, 26,114.65 and 6,887.43 is: 10,324.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.69 : 26,114.65 = 6,887.43 : x
  2. Step 2: Convert to fraction form
    17,421.69/26,114.65 = 6,887.43/x
  3. Step 3: Cross multiply
    17,421.69x = 26,114.65 × 6,887.43
  4. Step 4: Simplify right side
    17,421.69x = 179,862,823.85
  5. Step 5: Solve for x
    x = 179,862,823.85/17,421.69
  6. Step 6: Final answer
    x = 10,324.07

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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.