Home / 17,645.90-24,347.99-11,985.17

Finding the Fourth Proportional to 17,645.90, 24,347.99 and 11,985.17

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Solution

The fourth proportional to 17,645.90, 24,347.99 and 11,985.17 is: 16,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.90 : 24,347.99 = 11,985.17 : x
  2. Step 2: Convert to fraction form
    17,645.90/24,347.99 = 11,985.17/x
  3. Step 3: Cross multiply
    17,645.90x = 24,347.99 × 11,985.17
  4. Step 4: Simplify right side
    17,645.90x = 291,814,707.53
  5. Step 5: Solve for x
    x = 291,814,707.53/17,645.90
  6. Step 6: Final answer
    x = 16,537.26

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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.