Home / 12,127.06-18,166.51-9,344.08

Finding the Fourth Proportional to 12,127.06, 18,166.51 and 9,344.08

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Solution

The fourth proportional to 12,127.06, 18,166.51 and 9,344.08 is: 13,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.06 : 18,166.51 = 9,344.08 : x
  2. Step 2: Convert to fraction form
    12,127.06/18,166.51 = 9,344.08/x
  3. Step 3: Cross multiply
    12,127.06x = 18,166.51 × 9,344.08
  4. Step 4: Simplify right side
    12,127.06x = 169,749,322.76
  5. Step 5: Solve for x
    x = 169,749,322.76/12,127.06
  6. Step 6: Final answer
    x = 13,997.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.