Home / 12,090.29-16,684.29-6,712.58

Finding the Fourth Proportional to 12,090.29, 16,684.29 and 6,712.58

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Solution

The fourth proportional to 12,090.29, 16,684.29 and 6,712.58 is: 9,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.29 : 16,684.29 = 6,712.58 : x
  2. Step 2: Convert to fraction form
    12,090.29/16,684.29 = 6,712.58/x
  3. Step 3: Cross multiply
    12,090.29x = 16,684.29 × 6,712.58
  4. Step 4: Simplify right side
    12,090.29x = 111,994,547.95
  5. Step 5: Solve for x
    x = 111,994,547.95/12,090.29
  6. Step 6: Final answer
    x = 9,263.19

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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.