Home / 12,087.22-16,666.86-7,605.49

Finding the Fourth Proportional to 12,087.22, 16,666.86 and 7,605.49

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Solution

The fourth proportional to 12,087.22, 16,666.86 and 7,605.49 is: 10,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.22 : 16,666.86 = 7,605.49 : x
  2. Step 2: Convert to fraction form
    12,087.22/16,666.86 = 7,605.49/x
  3. Step 3: Cross multiply
    12,087.22x = 16,666.86 × 7,605.49
  4. Step 4: Simplify right side
    12,087.22x = 126,759,637.06
  5. Step 5: Solve for x
    x = 126,759,637.06/12,087.22
  6. Step 6: Final answer
    x = 10,487.08

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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.