Home / 12,018.09-16,583.77-6,712.80

Finding the Fourth Proportional to 12,018.09, 16,583.77 and 6,712.80

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Solution

The fourth proportional to 12,018.09, 16,583.77 and 6,712.80 is: 9,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.09 : 16,583.77 = 6,712.80 : x
  2. Step 2: Convert to fraction form
    12,018.09/16,583.77 = 6,712.80/x
  3. Step 3: Cross multiply
    12,018.09x = 16,583.77 × 6,712.80
  4. Step 4: Simplify right side
    12,018.09x = 111,323,531.26
  5. Step 5: Solve for x
    x = 111,323,531.26/12,018.09
  6. Step 6: Final answer
    x = 9,263.00

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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.