Home / 12,126.06-18,165.02-9,343.08

Finding the Fourth Proportional to 12,126.06, 18,165.02 and 9,343.08

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Solution

The fourth proportional to 12,126.06, 18,165.02 and 9,343.08 is: 13,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.06 : 18,165.02 = 9,343.08 : x
  2. Step 2: Convert to fraction form
    12,126.06/18,165.02 = 9,343.08/x
  3. Step 3: Cross multiply
    12,126.06x = 18,165.02 × 9,343.08
  4. Step 4: Simplify right side
    12,126.06x = 169,717,188.35
  5. Step 5: Solve for x
    x = 169,717,188.35/12,126.06
  6. Step 6: Final answer
    x = 13,996.07

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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.