Home / 17,167.65-23,699.48-12,920.37

Finding the Fourth Proportional to 17,167.65, 23,699.48 and 12,920.37

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Solution

The fourth proportional to 17,167.65, 23,699.48 and 12,920.37 is: 17,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,167.65 : 23,699.48 = 12,920.37 : x
  2. Step 2: Convert to fraction form
    17,167.65/23,699.48 = 12,920.37/x
  3. Step 3: Cross multiply
    17,167.65x = 23,699.48 × 12,920.37
  4. Step 4: Simplify right side
    17,167.65x = 306,205,985.81
  5. Step 5: Solve for x
    x = 306,205,985.81/17,167.65
  6. Step 6: Final answer
    x = 17,836.22

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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.