Home / 18,071.89-27,102.62-6,225.18

Finding the Fourth Proportional to 18,071.89, 27,102.62 and 6,225.18

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Solution

The fourth proportional to 18,071.89, 27,102.62 and 6,225.18 is: 9,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.89 : 27,102.62 = 6,225.18 : x
  2. Step 2: Convert to fraction form
    18,071.89/27,102.62 = 6,225.18/x
  3. Step 3: Cross multiply
    18,071.89x = 27,102.62 × 6,225.18
  4. Step 4: Simplify right side
    18,071.89x = 168,718,703.53
  5. Step 5: Solve for x
    x = 168,718,703.53/18,071.89
  6. Step 6: Final answer
    x = 9,335.98

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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.